21103133520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1321}}^1$

素因数の和:1638

約数の個数: 320

約数和(自身を含む): 77143205376

約数和(自身を除く): 56040071856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 257, 259, 280, 296, 336, 370, 420, 444, 514, 518, 555, 560, 592, 740, 771, 777, 840, 888, 1028, 1036, 1110, 1285, 1295, 1321, 1480, 1542, 1554, 1680, 1776, 1799, 2056, 2072, 2220, 2570, 2590, 2642, 2960, 3084, 3108, 3598, 3855, 3885, 3963, 4112, 4144, 4440, 5140, 5180, 5284, 5397, 6168, 6216, 6605, 7196, 7710, 7770, 7926, 8880, 8995, 9247, 9509, 10280, 10360, 10568, 10794, 12336, 12432, 13210, 14392, 15420, 15540, 15852, 17990, 18494, 19018, 19815, 20560, 20720, 21136, 21588, 26420, 26985, 27741, 28527, 28784, 30840, 31080, 31704, 35980, 36988, 38036, 39630, 43176, 46235, 47545, 48877, 52840, 53970, 55482, 57054, 61680, 62160, 63408, 66563, 71960, 73976, 76072, 79260, 86352, 92470, 95090, 97754, 105680, 107940, 110964, 114108, 133126, 138705, 142635, 143920, 146631, 147952, 152144, 158520, 184940, 190180, 195508, 199689, 215880, 221928, 228216, 244385, 266252, 277410, 285270, 293262, 317040, 332815, 339497, 342139, 369880, 380360, 391016, 399378, 431760, 443856, 456432, 488770, 532504, 554820, 570540, 586524, 665630, 678994, 684278, 733155, 739760, 760720, 782032, 798756, 977540, 998445, 1018491, 1026417, 1065008, 1109640, 1141080, 1173048, 1331260, 1357988, 1368556, 1466310, 1597512, 1697485, 1710695, 1955080, 1996890, 2036982, 2052834, 2219280, 2282160, 2346096, 2376479, 2662520, 2715976, 2737112, 2932620, 3195024, 3394970, 3421390, 3910160, 3993780, 4073964, 4105668, 4752958, 5092455, 5132085, 5325040, 5431952, 5474224, 5865240, 6789940, 6842780, 7129437, 7987560, 8147928, 8211336, 9505916, 10184910, 10264170, 11730480, 11882395, 12561389, 13579880, 13685560, 14258874, 15975120, 16295856, 16422672, 19011832, 20369820, 20528340, 23764790, 25122778, 27159760, 27371120, 28517748, 35647185, 37684167, 38023664, 40739640, 41056680, 47529580, 50245556, 57035496, 62806945, 71294370, 75368334, 81479280, 82113360, 87929723, 95059160, 100491112, 114070992, 125613890, 142588740, 150736668, 175859446, 188420835, 190118320, 200982224, 251227780, 263789169, 285177480, 301473336, 351718892, 376841670, 439648615, 502455560, 527578338, 570354960, 602946672, 703437784, 753683340, 879297230, 1004911120, 1055156676, 1318945845, 1406875568, 1507366680, 1758594460, 2110313352, 2637891690, 3014733360, 3517188920, 4220626704, 5275783380, 7034377840, 10551566760, 21103133520]

約数ペア:

[(1, 21103133520), (2, 10551566760), (3, 7034377840), (4, 5275783380), (5, 4220626704), (6, 3517188920), (7, 3014733360), (8, 2637891690), (10, 2110313352), (12, 1758594460), (14, 1507366680), (15, 1406875568), (16, 1318945845), (20, 1055156676), (21, 1004911120), (24, 879297230), (28, 753683340), (30, 703437784), (35, 602946672), (37, 570354960), (40, 527578338), (42, 502455560), (48, 439648615), (56, 376841670), (60, 351718892), (70, 301473336), (74, 285177480), (80, 263789169), (84, 251227780), (105, 200982224), (111, 190118320), (112, 188420835), (120, 175859446), (140, 150736668), (148, 142588740), (168, 125613890), (185, 114070992), (210, 100491112), (222, 95059160), (240, 87929723), (257, 82113360), (259, 81479280), (280, 75368334), (296, 71294370), (336, 62806945), (370, 57035496), (420, 50245556), (444, 47529580), (514, 41056680), (518, 40739640), (555, 38023664), (560, 37684167), (592, 35647185), (740, 28517748), (771, 27371120), (777, 27159760), (840, 25122778), (888, 23764790), (1028, 20528340), (1036, 20369820), (1110, 19011832), (1285, 16422672), (1295, 16295856), (1321, 15975120), (1480, 14258874), (1542, 13685560), (1554, 13579880), (1680, 12561389), (1776, 11882395), (1799, 11730480), (2056, 10264170), (2072, 10184910), (2220, 9505916), (2570, 8211336), (2590, 8147928), (2642, 7987560), (2960, 7129437), (3084, 6842780), (3108, 6789940), (3598, 5865240), (3855, 5474224), (3885, 5431952), (3963, 5325040), (4112, 5132085), (4144, 5092455), (4440, 4752958), (5140, 4105668), (5180, 4073964), (5284, 3993780), (5397, 3910160), (6168, 3421390), (6216, 3394970), (6605, 3195024), (7196, 2932620), (7710, 2737112), (7770, 2715976), (7926, 2662520), (8880, 2376479), (8995, 2346096), (9247, 2282160), (9509, 2219280), (10280, 2052834), (10360, 2036982), (10568, 1996890), (10794, 1955080), (12336, 1710695), (12432, 1697485), (13210, 1597512), (14392, 1466310), (15420, 1368556), (15540, 1357988), (15852, 1331260), (17990, 1173048), (18494, 1141080), (19018, 1109640), (19815, 1065008), (20560, 1026417), (20720, 1018491), (21136, 998445), (21588, 977540), (26420, 798756), (26985, 782032), (27741, 760720), (28527, 739760), (28784, 733155), (30840, 684278), (31080, 678994), (31704, 665630), (35980, 586524), (36988, 570540), (38036, 554820), (39630, 532504), (43176, 488770), (46235, 456432), (47545, 443856), (48877, 431760), (52840, 399378), (53970, 391016), (55482, 380360), (57054, 369880), (61680, 342139), (62160, 339497), (63408, 332815), (66563, 317040), (71960, 293262), (73976, 285270), (76072, 277410), (79260, 266252), (86352, 244385), (92470, 228216), (95090, 221928), (97754, 215880), (105680, 199689), (107940, 195508), (110964, 190180), (114108, 184940), (133126, 158520), (138705, 152144), (142635, 147952), (143920, 146631)]