21817475368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{12841}}^1$

素因数の和:12939

約数の個数: 96

約数和(自身を含む): 48202960680

約数和(自身を除く): 26385485312

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 403, 442, 527, 806, 884, 961, 1054, 1612, 1768, 1922, 2108, 3224, 3844, 4216, 6851, 7688, 12493, 12841, 13702, 16337, 24986, 25682, 27404, 32674, 49972, 51364, 54808, 65348, 99944, 102728, 130696, 166933, 212381, 218297, 333866, 398071, 424762, 436594, 667732, 796142, 849524, 873188, 1335464, 1592284, 1699048, 1746376, 2837861, 3184568, 5174923, 5675722, 6767207, 10349846, 11351444, 12340201, 13534414, 20699692, 22702888, 24680402, 27068828, 41399384, 49360804, 54137656, 87973691, 98721608, 160422613, 175947382, 209783417, 320845226, 351894764, 419566834, 641690452, 703789528, 839133668, 1283380904, 1678267336, 2727184421, 5454368842, 10908737684, 21817475368]

約数ペア:

[(1, 21817475368), (2, 10908737684), (4, 5454368842), (8, 2727184421), (13, 1678267336), (17, 1283380904), (26, 839133668), (31, 703789528), (34, 641690452), (52, 419566834), (62, 351894764), (68, 320845226), (104, 209783417), (124, 175947382), (136, 160422613), (221, 98721608), (248, 87973691), (403, 54137656), (442, 49360804), (527, 41399384), (806, 27068828), (884, 24680402), (961, 22702888), (1054, 20699692), (1612, 13534414), (1768, 12340201), (1922, 11351444), (2108, 10349846), (3224, 6767207), (3844, 5675722), (4216, 5174923), (6851, 3184568), (7688, 2837861), (12493, 1746376), (12841, 1699048), (13702, 1592284), (16337, 1335464), (24986, 873188), (25682, 849524), (27404, 796142), (32674, 667732), (49972, 436594), (51364, 424762), (54808, 398071), (65348, 333866), (99944, 218297), (102728, 212381), (130696, 166933)]