21889101

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{8377}}^1$

素因数の和:8460

約数の個数: 16

約数和(自身を含む): 31903424

約数和(自身を除く): 10014323

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 8377, 25131, 108901, 326703, 561259, 1683777, 7296367, 21889101]

約数ペア:

[(1, 21889101), (3, 7296367), (13, 1683777), (39, 561259), (67, 326703), (201, 108901), (871, 25131), (2613, 8377)]