21125052

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45139}}^1$

素因数の和:45162

約数の個数: 36

約数和(自身を含む): 57508360

約数和(自身を除く): 36383308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45139, 90278, 135417, 180556, 270834, 406251, 541668, 586807, 812502, 1173614, 1625004, 1760421, 2347228, 3520842, 5281263, 7041684, 10562526, 21125052]

約数ペア:

[(1, 21125052), (2, 10562526), (3, 7041684), (4, 5281263), (6, 3520842), (9, 2347228), (12, 1760421), (13, 1625004), (18, 1173614), (26, 812502), (36, 586807), (39, 541668), (52, 406251), (78, 270834), (117, 180556), (156, 135417), (234, 90278), (468, 45139)]