21907124

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1901}}^1$

素因数の和:2015

約数の個数: 24

約数和(自身を含む): 39835488

約数和(自身を除く): 17928364

約数列:

[1, 2, 4, 43, 67, 86, 134, 172, 268, 1901, 2881, 3802, 5762, 7604, 11524, 81743, 127367, 163486, 254734, 326972, 509468, 5476781, 10953562, 21907124]

約数ペア:

[(1, 21907124), (2, 10953562), (4, 5476781), (43, 509468), (67, 326972), (86, 254734), (134, 163486), (172, 127367), (268, 81743), (1901, 11524), (2881, 7604), (3802, 5762)]