21958486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{9157}}^1$

素因数の和:9279

約数の個数: 16

約数和(自身を含む): 36265680

約数和(自身を除く): 14307194

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 9157, 18314, 100727, 201454, 998113, 1996226, 10979243, 21958486]

約数ペア:

[(1, 21958486), (2, 10979243), (11, 1996226), (22, 998113), (109, 201454), (218, 100727), (1199, 18314), (2398, 9157)]