21519558

素因数分解:

$2^1\times 3^2\times {\mathrm{761}}^1\times {\mathrm{1571}}^1$

素因数の和:2340

約数の個数: 24

約数和(自身を含む): 46716696

約数和(自身を除く): 25197138

約数列:

[1, 2, 3, 6, 9, 18, 761, 1522, 1571, 2283, 3142, 4566, 4713, 6849, 9426, 13698, 14139, 28278, 1195531, 2391062, 3586593, 7173186, 10759779, 21519558]

約数ペア:

[(1, 21519558), (2, 10759779), (3, 7173186), (6, 3586593), (9, 2391062), (18, 1195531), (761, 28278), (1522, 14139), (1571, 13698), (2283, 9426), (3142, 6849), (4566, 4713)]