21564990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239611}}^1$

素因数の和:239624

約数の個数: 24

約数和(自身を含む): 56069208

約数和(自身を除く): 34504218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239611, 479222, 718833, 1198055, 1437666, 2156499, 2396110, 3594165, 4312998, 7188330, 10782495, 21564990]

約数ペア:

[(1, 21564990), (2, 10782495), (3, 7188330), (5, 4312998), (6, 3594165), (9, 2396110), (10, 2156499), (15, 1437666), (18, 1198055), (30, 718833), (45, 479222), (90, 239611)]