21557460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{359291}}^1$

素因数の和:359303

約数の個数: 24

約数和(自身を含む): 60361056

約数和(自身を除く): 38803596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 359291, 718582, 1077873, 1437164, 1796455, 2155746, 3592910, 4311492, 5389365, 7185820, 10778730, 21557460]

約数ペア:

[(1, 21557460), (2, 10778730), (3, 7185820), (4, 5389365), (5, 4311492), (6, 3592910), (10, 2155746), (12, 1796455), (15, 1437164), (20, 1077873), (30, 718582), (60, 359291)]