21330986

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1\times {\mathrm{409}}^1$

素因数の和:793

約数の個数: 16

約数和(自身を含む): 32545800

約数和(自身を除く): 11214814

約数列:

[1, 2, 89, 178, 293, 409, 586, 818, 26077, 36401, 52154, 72802, 119837, 239674, 10665493, 21330986]

約数ペア:

[(1, 21330986), (2, 10665493), (89, 239674), (178, 119837), (293, 72802), (409, 52154), (586, 36401), (818, 26077)]