21740931

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 32448000

約数和(自身を除く): 10707069

約数列:

[1, 3, 9, 47, 103, 141, 309, 423, 499, 927, 1497, 4491, 4841, 14523, 23453, 43569, 51397, 70359, 154191, 211077, 462573, 2415659, 7246977, 21740931]

約数ペア:

[(1, 21740931), (3, 7246977), (9, 2415659), (47, 462573), (103, 211077), (141, 154191), (309, 70359), (423, 51397), (499, 43569), (927, 23453), (1497, 14523), (4491, 4841)]