21047862

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{318907}}^1$

素因数の和:318923

約数の個数: 16

約数和(自身を含む): 45922752

約数和(自身を除く): 24874890

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 318907, 637814, 956721, 1913442, 3507977, 7015954, 10523931, 21047862]

約数ペア:

[(1, 21047862), (2, 10523931), (3, 7015954), (6, 3507977), (11, 1913442), (22, 956721), (33, 637814), (66, 318907)]