21723163

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{5323}}^1$

素因数の和:5394

約数の個数: 16

約数和(自身を含む): 27599616

約数和(自身を除く): 5876453

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 5323, 37261, 58553, 282119, 409871, 1974833, 3103309, 21723163]

約数ペア:

[(1, 21723163), (7, 3103309), (11, 1974833), (53, 409871), (77, 282119), (371, 58553), (583, 37261), (4081, 5323)]