21086024908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{919}}^1\times {\mathrm{2707}}^1$

素因数の和:3806

約数の個数: 48

約数和(自身を含む): 40041137920

約数和(自身を除く): 18955113012

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 919, 1838, 2119, 2707, 3676, 4238, 5414, 8476, 10828, 11947, 23894, 35191, 47788, 70382, 140764, 149797, 299594, 441241, 599188, 882482, 1764964, 1947361, 2487733, 3894722, 4975466, 5736133, 7789444, 9950932, 11472266, 22944532, 32340529, 64681058, 129362116, 405500479, 811000958, 1622001916, 5271506227, 10543012454, 21086024908]

約数ペア:

[(1, 21086024908), (2, 10543012454), (4, 5271506227), (13, 1622001916), (26, 811000958), (52, 405500479), (163, 129362116), (326, 64681058), (652, 32340529), (919, 22944532), (1838, 11472266), (2119, 9950932), (2707, 7789444), (3676, 5736133), (4238, 4975466), (5414, 3894722), (8476, 2487733), (10828, 1947361), (11947, 1764964), (23894, 882482), (35191, 599188), (47788, 441241), (70382, 299594), (140764, 149797)]