21240761042

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1\times {\mathrm{154877}}^1$

素因数の和:156385

約数の個数: 16

約数和(自身を含む): 32561550720

約数和(自身を除く): 11320789678

約数列:

[1, 2, 47, 94, 1459, 2918, 68573, 137146, 154877, 309754, 7279219, 14558438, 225965543, 451931086, 10620380521, 21240761042]

約数ペア:

[(1, 21240761042), (2, 10620380521), (47, 451931086), (94, 225965543), (1459, 14558438), (2918, 7279219), (68573, 309754), (137146, 154877)]