21185730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{235397}}^1$

素因数の和:235410

約数の個数: 24

約数和(自身を含む): 55083132

約数和(自身を除く): 33897402

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 235397, 470794, 706191, 1176985, 1412382, 2118573, 2353970, 3530955, 4237146, 7061910, 10592865, 21185730]

約数ペア:

[(1, 21185730), (2, 10592865), (3, 7061910), (5, 4237146), (6, 3530955), (9, 2353970), (10, 2118573), (15, 1412382), (18, 1176985), (30, 706191), (45, 470794), (90, 235397)]