21401764

素因数分解:

$2^2\times {\mathrm{149}}^2\times {\mathrm{241}}^1$

素因数の和:543

約数の個数: 18

約数和(自身を含む): 37862594

約数和(自身を除く): 16460830

約数列:

[1, 2, 4, 149, 241, 298, 482, 596, 964, 22201, 35909, 44402, 71818, 88804, 143636, 5350441, 10700882, 21401764]

約数ペア:

[(1, 21401764), (2, 10700882), (4, 5350441), (149, 143636), (241, 88804), (298, 71818), (482, 44402), (596, 35909), (964, 22201)]