21228666

素因数分解:

$2^1\times 3^1\times {\mathrm{521}}^1\times {\mathrm{6791}}^1$

素因数の和:7317

約数の個数: 16

約数和(自身を含む): 42545088

約数和(自身を除く): 21316422

約数列:

[1, 2, 3, 6, 521, 1042, 1563, 3126, 6791, 13582, 20373, 40746, 3538111, 7076222, 10614333, 21228666]

約数ペア:

[(1, 21228666), (2, 10614333), (3, 7076222), (6, 3538111), (521, 40746), (1042, 20373), (1563, 13582), (3126, 6791)]