21161670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{705389}}^1$

素因数の和:705399

約数の個数: 16

約数和(自身を含む): 50788080

約数和(自身を除く): 29626410

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 705389, 1410778, 2116167, 3526945, 4232334, 7053890, 10580835, 21161670]

約数ペア:

[(1, 21161670), (2, 10580835), (3, 7053890), (5, 4232334), (6, 3526945), (10, 2116167), (15, 1410778), (30, 705389)]