21682972

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1163}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 39110400

約数和(自身を除く): 17427428

約数列:

[1, 2, 4, 59, 79, 118, 158, 236, 316, 1163, 2326, 4652, 4661, 9322, 18644, 68617, 91877, 137234, 183754, 274468, 367508, 5420743, 10841486, 21682972]

約数ペア:

[(1, 21682972), (2, 10841486), (4, 5420743), (59, 367508), (79, 274468), (118, 183754), (158, 137234), (236, 91877), (316, 68617), (1163, 18644), (2326, 9322), (4652, 4661)]