2157559408

素因数分解:

$2^4\times {\mathrm{17939}}^1\times {\mathrm{7517}}^1$

素因数の和:25464

約数の個数: 20

約数和(自身を含む): 4181060520

約数和(自身を除く): 2023501112

約数列:

[1, 2, 4, 8, 16, 7517, 15034, 17939, 30068, 35878, 60136, 71756, 120272, 143512, 287024, 134847463, 269694926, 539389852, 1078779704, 2157559408]

約数ペア:

[(1, 2157559408), (2, 1078779704), (4, 539389852), (8, 269694926), (16, 134847463), (7517, 287024), (15034, 143512), (17939, 120272), (30068, 71756), (35878, 60136)]