21400842

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 44256960

約数和(自身を除く): 22856118

約数列:

[1, 2, 3, 6, 43, 86, 109, 129, 218, 258, 327, 654, 761, 1522, 2283, 4566, 4687, 9374, 14061, 28122, 32723, 65446, 82949, 98169, 165898, 196338, 248847, 497694, 3566807, 7133614, 10700421, 21400842]

約数ペア:

[(1, 21400842), (2, 10700421), (3, 7133614), (6, 3566807), (43, 497694), (86, 248847), (109, 196338), (129, 165898), (218, 98169), (258, 82949), (327, 65446), (654, 32723), (761, 28122), (1522, 14061), (2283, 9374), (4566, 4687)]