21943118

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3769}}^1$

素因数の和:3883

約数の個数: 16

約数和(自身を含む): 34201440

約数和(自身を除く): 12258322

約数列:

[1, 2, 41, 71, 82, 142, 2911, 3769, 5822, 7538, 154529, 267599, 309058, 535198, 10971559, 21943118]

約数ペア:

[(1, 21943118), (2, 10971559), (41, 535198), (71, 309058), (82, 267599), (142, 154529), (2911, 7538), (3769, 5822)]