21165153

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1861}}^1$

素因数の和:2104

約数の個数: 16

約数和(自身を含む): 30030336

約数和(自身を除く): 8865183

約数列:

[1, 3, 17, 51, 223, 669, 1861, 3791, 5583, 11373, 31637, 94911, 415003, 1245009, 7055051, 21165153]

約数ペア:

[(1, 21165153), (3, 7055051), (17, 1245009), (51, 415003), (223, 94911), (669, 31637), (1861, 11373), (3791, 5583)]