21212630

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{379}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 39808800

約数和(自身を除く): 18596170

約数列:

[1, 2, 5, 10, 29, 58, 145, 193, 290, 379, 386, 758, 965, 1895, 1930, 3790, 5597, 10991, 11194, 21982, 27985, 54955, 55970, 73147, 109910, 146294, 365735, 731470, 2121263, 4242526, 10606315, 21212630]

約数ペア:

[(1, 21212630), (2, 10606315), (5, 4242526), (10, 2121263), (29, 731470), (58, 365735), (145, 146294), (193, 109910), (290, 73147), (379, 55970), (386, 54955), (758, 27985), (965, 21982), (1895, 11194), (1930, 10991), (3790, 5597)]