21926940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 192

約数和(自身を含む): 77220864

約数和(自身を除く): 55293924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 37, 42, 51, 60, 68, 70, 74, 83, 84, 85, 102, 105, 111, 119, 140, 148, 166, 170, 185, 204, 210, 222, 238, 249, 255, 259, 332, 340, 357, 370, 415, 420, 444, 476, 498, 510, 518, 555, 581, 595, 629, 714, 740, 777, 830, 996, 1020, 1036, 1110, 1162, 1190, 1245, 1258, 1295, 1411, 1428, 1554, 1660, 1743, 1785, 1887, 2220, 2324, 2380, 2490, 2516, 2590, 2822, 2905, 3071, 3108, 3145, 3486, 3570, 3774, 3885, 4233, 4403, 4980, 5180, 5644, 5810, 6142, 6290, 6972, 7055, 7140, 7548, 7770, 8466, 8715, 8806, 9213, 9435, 9877, 11620, 12284, 12580, 13209, 14110, 15355, 15540, 16932, 17430, 17612, 18426, 18870, 19754, 21165, 21497, 22015, 26418, 28220, 29631, 30710, 34860, 36852, 37740, 39508, 42330, 42994, 44030, 46065, 49385, 52207, 52836, 59262, 61420, 64491, 66045, 84660, 85988, 88060, 92130, 98770, 104414, 107485, 118524, 128982, 132090, 148155, 156621, 184260, 197540, 208828, 214970, 257964, 261035, 264180, 296310, 313242, 322455, 365449, 429940, 522070, 592620, 626484, 644910, 730898, 783105, 1044140, 1096347, 1289820, 1461796, 1566210, 1827245, 2192694, 3132420, 3654490, 4385388, 5481735, 7308980, 10963470, 21926940]

約数ペア:

[(1, 21926940), (2, 10963470), (3, 7308980), (4, 5481735), (5, 4385388), (6, 3654490), (7, 3132420), (10, 2192694), (12, 1827245), (14, 1566210), (15, 1461796), (17, 1289820), (20, 1096347), (21, 1044140), (28, 783105), (30, 730898), (34, 644910), (35, 626484), (37, 592620), (42, 522070), (51, 429940), (60, 365449), (68, 322455), (70, 313242), (74, 296310), (83, 264180), (84, 261035), (85, 257964), (102, 214970), (105, 208828), (111, 197540), (119, 184260), (140, 156621), (148, 148155), (166, 132090), (170, 128982), (185, 118524), (204, 107485), (210, 104414), (222, 98770), (238, 92130), (249, 88060), (255, 85988), (259, 84660), (332, 66045), (340, 64491), (357, 61420), (370, 59262), (415, 52836), (420, 52207), (444, 49385), (476, 46065), (498, 44030), (510, 42994), (518, 42330), (555, 39508), (581, 37740), (595, 36852), (629, 34860), (714, 30710), (740, 29631), (777, 28220), (830, 26418), (996, 22015), (1020, 21497), (1036, 21165), (1110, 19754), (1162, 18870), (1190, 18426), (1245, 17612), (1258, 17430), (1295, 16932), (1411, 15540), (1428, 15355), (1554, 14110), (1660, 13209), (1743, 12580), (1785, 12284), (1887, 11620), (2220, 9877), (2324, 9435), (2380, 9213), (2490, 8806), (2516, 8715), (2590, 8466), (2822, 7770), (2905, 7548), (3071, 7140), (3108, 7055), (3145, 6972), (3486, 6290), (3570, 6142), (3774, 5810), (3885, 5644), (4233, 5180), (4403, 4980)]