21349414

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1523}}^1$

素因数の和:1731

約数の個数: 16

約数和(自身を含む): 32991552

約数和(自身を除く): 11642138

約数列:

[1, 2, 43, 86, 163, 326, 1523, 3046, 7009, 14018, 65489, 130978, 248249, 496498, 10674707, 21349414]

約数ペア:

[(1, 21349414), (2, 10674707), (43, 496498), (86, 248249), (163, 130978), (326, 65489), (1523, 14018), (3046, 7009)]