21751260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{362521}}^1$

素因数の和:362533

約数の個数: 24

約数和(自身を含む): 60903696

約数和(自身を除く): 39152436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 362521, 725042, 1087563, 1450084, 1812605, 2175126, 3625210, 4350252, 5437815, 7250420, 10875630, 21751260]

約数ペア:

[(1, 21751260), (2, 10875630), (3, 7250420), (4, 5437815), (5, 4350252), (6, 3625210), (10, 2175126), (12, 1812605), (15, 1450084), (20, 1087563), (30, 725042), (60, 362521)]