21164206

素因数分解:

$2^1\times 7^1\times {\mathrm{757}}^1\times {\mathrm{1997}}^1$

素因数の和:2763

約数の個数: 16

約数和(自身を含む): 36347616

約数和(自身を除く): 15183410

約数列:

[1, 2, 7, 14, 757, 1514, 1997, 3994, 5299, 10598, 13979, 27958, 1511729, 3023458, 10582103, 21164206]

約数ペア:

[(1, 21164206), (2, 10582103), (7, 3023458), (14, 1511729), (757, 27958), (1514, 13979), (1997, 10598), (3994, 5299)]