21970498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{52561}}^1$

素因数の和:52593

約数の個数: 16

約数和(自身を含む): 37844640

約数和(自身を除く): 15874142

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 52561, 105122, 578171, 998659, 1156342, 1997318, 10985249, 21970498]

約数ペア:

[(1, 21970498), (2, 10985249), (11, 1997318), (19, 1156342), (22, 998659), (38, 578171), (209, 105122), (418, 52561)]