21271166035

素因数分解:

$5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1443581}}^1$

素因数の和:1444014

約数の個数: 16

約数和(自身を含む): 29241196992

約数和(自身を除く): 7970030957

約数列:

[1, 5, 7, 35, 421, 2105, 2947, 14735, 1443581, 7217905, 10105067, 50525335, 607747601, 3038738005, 4254233207, 21271166035]

約数ペア:

[(1, 21271166035), (5, 4254233207), (7, 3038738005), (35, 607747601), (421, 50525335), (2105, 10105067), (2947, 7217905), (14735, 1443581)]