21379756680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{10273}}^1$

素因数の和:10381

約数の個数: 256

約数和(自身を含む): 74564582400

約数和(自身を除く): 53184825720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 47, 54, 60, 72, 82, 90, 94, 108, 120, 123, 135, 141, 164, 180, 188, 205, 216, 235, 246, 270, 282, 328, 360, 369, 376, 410, 423, 470, 492, 540, 564, 615, 705, 738, 820, 846, 940, 984, 1080, 1107, 1128, 1230, 1269, 1410, 1476, 1640, 1692, 1845, 1880, 1927, 2115, 2214, 2460, 2538, 2820, 2952, 3384, 3690, 3854, 4230, 4428, 4920, 5076, 5535, 5640, 5781, 6345, 7380, 7708, 8460, 8856, 9635, 10152, 10273, 11070, 11562, 12690, 14760, 15416, 16920, 17343, 19270, 20546, 22140, 23124, 25380, 28905, 30819, 34686, 38540, 41092, 44280, 46248, 50760, 51365, 52029, 57810, 61638, 69372, 77080, 82184, 86715, 92457, 102730, 104058, 115620, 123276, 138744, 154095, 173430, 184914, 205460, 208116, 231240, 246552, 260145, 277371, 308190, 346860, 369828, 410920, 416232, 421193, 462285, 482831, 520290, 554742, 616380, 693720, 739656, 842386, 924570, 965662, 1040580, 1109484, 1232760, 1263579, 1386855, 1448493, 1684772, 1849140, 1931324, 2081160, 2105965, 2218968, 2414155, 2527158, 2773710, 2896986, 3369544, 3698280, 3790737, 3862648, 4211930, 4345479, 4828310, 5054316, 5547420, 5793972, 6317895, 7242465, 7581474, 8423860, 8690958, 9656620, 10108632, 11094840, 11372211, 11587944, 12635790, 13036437, 14484930, 15162948, 16847720, 17381916, 18953685, 19313240, 19796071, 21727395, 22744422, 25271580, 26072874, 28969860, 30325896, 34763832, 37907370, 39592142, 43454790, 45488844, 50543160, 52145748, 56861055, 57939720, 59388213, 65182185, 75814740, 79184284, 86909580, 90977688, 98980355, 104291496, 113722110, 118776426, 130364370, 151629480, 158368568, 173819160, 178164639, 197960710, 227444220, 237552852, 260728740, 296941065, 356329278, 395921420, 454888440, 475105704, 521457480, 534493917, 593882130, 712658556, 791842840, 890823195, 1068987834, 1187764260, 1425317112, 1781646390, 2137975668, 2375528520, 2672469585, 3563292780, 4275951336, 5344939170, 7126585560, 10689878340, 21379756680]

約数ペア:

[(1, 21379756680), (2, 10689878340), (3, 7126585560), (4, 5344939170), (5, 4275951336), (6, 3563292780), (8, 2672469585), (9, 2375528520), (10, 2137975668), (12, 1781646390), (15, 1425317112), (18, 1187764260), (20, 1068987834), (24, 890823195), (27, 791842840), (30, 712658556), (36, 593882130), (40, 534493917), (41, 521457480), (45, 475105704), (47, 454888440), (54, 395921420), (60, 356329278), (72, 296941065), (82, 260728740), (90, 237552852), (94, 227444220), (108, 197960710), (120, 178164639), (123, 173819160), (135, 158368568), (141, 151629480), (164, 130364370), (180, 118776426), (188, 113722110), (205, 104291496), (216, 98980355), (235, 90977688), (246, 86909580), (270, 79184284), (282, 75814740), (328, 65182185), (360, 59388213), (369, 57939720), (376, 56861055), (410, 52145748), (423, 50543160), (470, 45488844), (492, 43454790), (540, 39592142), (564, 37907370), (615, 34763832), (705, 30325896), (738, 28969860), (820, 26072874), (846, 25271580), (940, 22744422), (984, 21727395), (1080, 19796071), (1107, 19313240), (1128, 18953685), (1230, 17381916), (1269, 16847720), (1410, 15162948), (1476, 14484930), (1640, 13036437), (1692, 12635790), (1845, 11587944), (1880, 11372211), (1927, 11094840), (2115, 10108632), (2214, 9656620), (2460, 8690958), (2538, 8423860), (2820, 7581474), (2952, 7242465), (3384, 6317895), (3690, 5793972), (3854, 5547420), (4230, 5054316), (4428, 4828310), (4920, 4345479), (5076, 4211930), (5535, 3862648), (5640, 3790737), (5781, 3698280), (6345, 3369544), (7380, 2896986), (7708, 2773710), (8460, 2527158), (8856, 2414155), (9635, 2218968), (10152, 2105965), (10273, 2081160), (11070, 1931324), (11562, 1849140), (12690, 1684772), (14760, 1448493), (15416, 1386855), (16920, 1263579), (17343, 1232760), (19270, 1109484), (20546, 1040580), (22140, 965662), (23124, 924570), (25380, 842386), (28905, 739656), (30819, 693720), (34686, 616380), (38540, 554742), (41092, 520290), (44280, 482831), (46248, 462285), (50760, 421193), (51365, 416232), (52029, 410920), (57810, 369828), (61638, 346860), (69372, 308190), (77080, 277371), (82184, 260145), (86715, 246552), (92457, 231240), (102730, 208116), (104058, 205460), (115620, 184914), (123276, 173430), (138744, 154095)]