21031874510

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28810787}}^1$

素因数の和:28810867

約数の個数: 16

約数和(自身を含む): 38375969616

約数和(自身を除く): 17344095106

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 28810787, 57621574, 144053935, 288107870, 2103187451, 4206374902, 10515937255, 21031874510]

約数ペア:

[(1, 21031874510), (2, 10515937255), (5, 4206374902), (10, 2103187451), (73, 288107870), (146, 144053935), (365, 57621574), (730, 28810787)]