21973820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99881}}^1$

素因数の和:99901

約数の個数: 24

約数和(自身を含む): 50340528

約数和(自身を除く): 28366708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 99881, 199762, 399524, 499405, 998810, 1098691, 1997620, 2197382, 4394764, 5493455, 10986910, 21973820]

約数ペア:

[(1, 21973820), (2, 10986910), (4, 5493455), (5, 4394764), (10, 2197382), (11, 1997620), (20, 1098691), (22, 998810), (44, 499405), (55, 399524), (110, 199762), (220, 99881)]