21912253

素因数分解:

${\mathrm{11}}^3\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:297

約数の個数: 16

約数和(自身を含む): 24489792

約数和(自身を除く): 2577539

約数列:

[1, 11, 101, 121, 163, 1111, 1331, 1793, 12221, 16463, 19723, 134431, 181093, 216953, 1992023, 21912253]

約数ペア:

[(1, 21912253), (11, 1992023), (101, 216953), (121, 181093), (163, 134431), (1111, 19723), (1331, 16463), (1793, 12221)]