21061630

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4397}}^1$

素因数の和:4883

約数の個数: 16

約数和(自身を含む): 37998720

約数和(自身を除く): 16937090

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4397, 4790, 8794, 21985, 43970, 2106163, 4212326, 10530815, 21061630]

約数ペア:

[(1, 21061630), (2, 10530815), (5, 4212326), (10, 2106163), (479, 43970), (958, 21985), (2395, 8794), (4397, 4790)]