21670832

素因数分解:

$2^4\times {\mathrm{787}}^1\times {\mathrm{1721}}^1$

素因数の和:2516

約数の個数: 20

約数和(自身を含む): 42065016

約数和(自身を除く): 20394184

約数列:

[1, 2, 4, 8, 16, 787, 1574, 1721, 3148, 3442, 6296, 6884, 12592, 13768, 27536, 1354427, 2708854, 5417708, 10835416, 21670832]

約数ペア:

[(1, 21670832), (2, 10835416), (4, 5417708), (8, 2708854), (16, 1354427), (787, 27536), (1574, 13768), (1721, 12592), (3148, 6884), (3442, 6296)]