21489420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{358157}}^1$

素因数の和:358169

約数の個数: 24

約数和(自身を含む): 60170544

約数和(自身を除く): 38681124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 358157, 716314, 1074471, 1432628, 1790785, 2148942, 3581570, 4297884, 5372355, 7163140, 10744710, 21489420]

約数ペア:

[(1, 21489420), (2, 10744710), (3, 7163140), (4, 5372355), (5, 4297884), (6, 3581570), (10, 2148942), (12, 1790785), (15, 1432628), (20, 1074471), (30, 716314), (60, 358157)]