21340232

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{8059}}^1$

素因数の和:8396

約数の個数: 16

約数和(自身を含む): 40138800

約数和(自身を除く): 18798568

約数列:

[1, 2, 4, 8, 331, 662, 1324, 2648, 8059, 16118, 32236, 64472, 2667529, 5335058, 10670116, 21340232]

約数ペア:

[(1, 21340232), (2, 10670116), (4, 5335058), (8, 2667529), (331, 64472), (662, 32236), (1324, 16118), (2648, 8059)]