21965862

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4481}}^1$

素因数の和:4548

約数の個数: 32

約数和(自身を含む): 47329920

約数和(自身を除く): 25364058

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 817, 1634, 2451, 4481, 4902, 8962, 13443, 26886, 85139, 170278, 192683, 255417, 385366, 510834, 578049, 1156098, 3660977, 7321954, 10982931, 21965862]

約数ペア:

[(1, 21965862), (2, 10982931), (3, 7321954), (6, 3660977), (19, 1156098), (38, 578049), (43, 510834), (57, 385366), (86, 255417), (114, 192683), (129, 170278), (258, 85139), (817, 26886), (1634, 13443), (2451, 8962), (4481, 4902)]