21820182

素因数分解:

$2^1\times 3^1\times {\mathrm{331}}^1\times {\mathrm{10987}}^1$

素因数の和:11323

約数の個数: 16

約数和(自身を含む): 43776192

約数和(自身を除く): 21956010

約数列:

[1, 2, 3, 6, 331, 662, 993, 1986, 10987, 21974, 32961, 65922, 3636697, 7273394, 10910091, 21820182]

約数ペア:

[(1, 21820182), (2, 10910091), (3, 7273394), (6, 3636697), (331, 65922), (662, 32961), (993, 21974), (1986, 10987)]