21638606

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51767}}^1$

素因数の和:51799

約数の個数: 16

約数和(自身を含む): 37272960

約数和(自身を除く): 15634354

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51767, 103534, 569437, 983573, 1138874, 1967146, 10819303, 21638606]

約数ペア:

[(1, 21638606), (2, 10819303), (11, 1967146), (19, 1138874), (22, 983573), (38, 569437), (209, 103534), (418, 51767)]