21158910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{235099}}^1$

素因数の和:235112

約数の個数: 24

約数和(自身を含む): 55013400

約数和(自身を除く): 33854490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 235099, 470198, 705297, 1175495, 1410594, 2115891, 2350990, 3526485, 4231782, 7052970, 10579455, 21158910]

約数ペア:

[(1, 21158910), (2, 10579455), (3, 7052970), (5, 4231782), (6, 3526485), (9, 2350990), (10, 2115891), (15, 1410594), (18, 1175495), (30, 705297), (45, 470198), (90, 235099)]