21190053340

素因数分解:

$2^2\times 5^1\times {\mathrm{1059502667}}^1$

素因数の和:1059502676

約数の個数: 12

約数和(自身を含む): 44499112056

約数和(自身を除く): 23309058716

約数列:

[1, 2, 4, 5, 10, 20, 1059502667, 2119005334, 4238010668, 5297513335, 10595026670, 21190053340]

約数ペア:

[(1, 21190053340), (2, 10595026670), (4, 5297513335), (5, 4238010668), (10, 2119005334), (20, 1059502667)]