21818846

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{881}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 17553634

約数列:

[1, 2, 7, 14, 29, 58, 61, 122, 203, 406, 427, 854, 881, 1762, 1769, 3538, 6167, 12334, 12383, 24766, 25549, 51098, 53741, 107482, 178843, 357686, 376187, 752374, 1558489, 3116978, 10909423, 21818846]

約数ペア:

[(1, 21818846), (2, 10909423), (7, 3116978), (14, 1558489), (29, 752374), (58, 376187), (61, 357686), (122, 178843), (203, 107482), (406, 53741), (427, 51098), (854, 25549), (881, 24766), (1762, 12383), (1769, 12334), (3538, 6167)]