21911060

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8363}}^1$

素因数の和:8503

約数の個数: 24

約数和(自身を含む): 46370016

約数和(自身を除く): 24458956

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 8363, 16726, 33452, 41815, 83630, 167260, 1095553, 2191106, 4382212, 5477765, 10955530, 21911060]

約数ペア:

[(1, 21911060), (2, 10955530), (4, 5477765), (5, 4382212), (10, 2191106), (20, 1095553), (131, 167260), (262, 83630), (524, 41815), (655, 33452), (1310, 16726), (2620, 8363)]