21000866830

素因数分解:

$2^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7420801}}^1$

素因数の和:7421091

約数の個数: 16

約数和(自身を含む): 37935139824

約数和(自身を除く): 16934272994

約数列:

[1, 2, 5, 10, 283, 566, 1415, 2830, 7420801, 14841602, 37104005, 74208010, 2100086683, 4200173366, 10500433415, 21000866830]

約数ペア:

[(1, 21000866830), (2, 10500433415), (5, 4200173366), (10, 2100086683), (283, 74208010), (566, 37104005), (1415, 14841602), (2830, 7420801)]