21009889027

素因数分解:

${\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{67927}}^1$

素因数の和:68242

約数の個数: 16

約数和(自身を含む): 22519490560

約数和(自身を除く): 1509601533

約数列:

[1, 19, 73, 223, 1387, 4237, 16279, 67927, 309301, 1290613, 4958671, 15147721, 94214749, 287806699, 1105783633, 21009889027]

約数ペア:

[(1, 21009889027), (19, 1105783633), (73, 287806699), (223, 94214749), (1387, 15147721), (4237, 4958671), (16279, 1290613), (67927, 309301)]