21674990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 40310784

約数和(自身を除く): 18635794

約数列:

[1, 2, 5, 10, 47, 94, 107, 214, 235, 431, 470, 535, 862, 1070, 2155, 4310, 5029, 10058, 20257, 25145, 40514, 46117, 50290, 92234, 101285, 202570, 230585, 461170, 2167499, 4334998, 10837495, 21674990]

約数ペア:

[(1, 21674990), (2, 10837495), (5, 4334998), (10, 2167499), (47, 461170), (94, 230585), (107, 202570), (214, 101285), (235, 92234), (431, 50290), (470, 46117), (535, 40514), (862, 25145), (1070, 20257), (2155, 10058), (4310, 5029)]