21529974480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{3491}}^1\times {\mathrm{3671}}^1$

素因数の和:7185

約数の個数: 160

約数和(自身を含む): 76320258048

約数和(自身を除く): 54790283568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 3491, 3671, 6982, 7342, 10473, 11013, 13964, 14684, 17455, 18355, 20946, 22026, 24437, 25697, 27928, 29368, 34910, 36710, 41892, 44052, 48874, 51394, 52365, 55065, 55856, 58736, 69820, 73311, 73420, 77091, 83784, 88104, 97748, 102788, 104730, 110130, 122185, 128485, 139640, 146622, 146840, 154182, 167568, 176208, 195496, 205576, 209460, 220260, 244370, 256970, 279280, 293244, 293680, 308364, 366555, 385455, 390992, 411152, 418920, 440520, 488740, 513940, 586488, 616728, 733110, 770910, 837840, 881040, 977480, 1027880, 1172976, 1233456, 1466220, 1541820, 1954960, 2055760, 2932440, 3083640, 5864880, 6167280, 12815461, 25630922, 38446383, 51261844, 64077305, 76892766, 89708227, 102523688, 128154610, 153785532, 179416454, 192231915, 205047376, 256309220, 269124681, 307571064, 358832908, 384463830, 448541135, 512618440, 538249362, 615142128, 717665816, 768927660, 897082270, 1025236880, 1076498724, 1345623405, 1435331632, 1537855320, 1794164540, 2152997448, 2691246810, 3075710640, 3588329080, 4305994896, 5382493620, 7176658160, 10764987240, 21529974480]

約数ペア:

[(1, 21529974480), (2, 10764987240), (3, 7176658160), (4, 5382493620), (5, 4305994896), (6, 3588329080), (7, 3075710640), (8, 2691246810), (10, 2152997448), (12, 1794164540), (14, 1537855320), (15, 1435331632), (16, 1345623405), (20, 1076498724), (21, 1025236880), (24, 897082270), (28, 768927660), (30, 717665816), (35, 615142128), (40, 538249362), (42, 512618440), (48, 448541135), (56, 384463830), (60, 358832908), (70, 307571064), (80, 269124681), (84, 256309220), (105, 205047376), (112, 192231915), (120, 179416454), (140, 153785532), (168, 128154610), (210, 102523688), (240, 89708227), (280, 76892766), (336, 64077305), (420, 51261844), (560, 38446383), (840, 25630922), (1680, 12815461), (3491, 6167280), (3671, 5864880), (6982, 3083640), (7342, 2932440), (10473, 2055760), (11013, 1954960), (13964, 1541820), (14684, 1466220), (17455, 1233456), (18355, 1172976), (20946, 1027880), (22026, 977480), (24437, 881040), (25697, 837840), (27928, 770910), (29368, 733110), (34910, 616728), (36710, 586488), (41892, 513940), (44052, 488740), (48874, 440520), (51394, 418920), (52365, 411152), (55065, 390992), (55856, 385455), (58736, 366555), (69820, 308364), (73311, 293680), (73420, 293244), (77091, 279280), (83784, 256970), (88104, 244370), (97748, 220260), (102788, 209460), (104730, 205576), (110130, 195496), (122185, 176208), (128485, 167568), (139640, 154182), (146622, 146840)]