21540630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1499}}^1$

素因数の和:1988

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 30299370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 479, 958, 1437, 1499, 2395, 2874, 2998, 4497, 4790, 7185, 7495, 8994, 14370, 14990, 22485, 44970, 718021, 1436042, 2154063, 3590105, 4308126, 7180210, 10770315, 21540630]

約数ペア:

[(1, 21540630), (2, 10770315), (3, 7180210), (5, 4308126), (6, 3590105), (10, 2154063), (15, 1436042), (30, 718021), (479, 44970), (958, 22485), (1437, 14990), (1499, 14370), (2395, 8994), (2874, 7495), (2998, 7185), (4497, 4790)]