21242220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354037}}^1$

素因数の和:354049

約数の個数: 24

約数和(自身を含む): 59478384

約数和(自身を除く): 38236164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354037, 708074, 1062111, 1416148, 1770185, 2124222, 3540370, 4248444, 5310555, 7080740, 10621110, 21242220]

約数ペア:

[(1, 21242220), (2, 10621110), (3, 7080740), (4, 5310555), (5, 4248444), (6, 3540370), (10, 2124222), (12, 1770185), (15, 1416148), (20, 1062111), (30, 708074), (60, 354037)]