21134365

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 31069440

約数和(自身を除く): 9935075

約数列:

[1, 5, 7, 19, 35, 61, 95, 133, 305, 427, 521, 665, 1159, 2135, 2605, 3647, 5795, 8113, 9899, 18235, 31781, 40565, 49495, 69293, 158905, 222467, 346465, 603839, 1112335, 3019195, 4226873, 21134365]

約数ペア:

[(1, 21134365), (5, 4226873), (7, 3019195), (19, 1112335), (35, 603839), (61, 346465), (95, 222467), (133, 158905), (305, 69293), (427, 49495), (521, 40565), (665, 31781), (1159, 18235), (2135, 9899), (2605, 8113), (3647, 5795)]