21149267615

素因数分解:

$5^1\times 7^1\times {\mathrm{1831}}^1\times {\mathrm{330019}}^1$

素因数の和:331862

約数の個数: 16

約数和(自身を含む): 29020638720

約数和(自身を除く): 7871371105

約数列:

[1, 5, 7, 35, 1831, 9155, 12817, 64085, 330019, 1650095, 2310133, 11550665, 604264789, 3021323945, 4229853523, 21149267615]

約数ペア:

[(1, 21149267615), (5, 4229853523), (7, 3021323945), (35, 604264789), (1831, 11550665), (9155, 2310133), (12817, 1650095), (64085, 330019)]