21866020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99391}}^1$

素因数の和:99411

約数の個数: 24

約数和(自身を含む): 50093568

約数和(自身を除く): 28227548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 99391, 198782, 397564, 496955, 993910, 1093301, 1987820, 2186602, 4373204, 5466505, 10933010, 21866020]

約数ペア:

[(1, 21866020), (2, 10933010), (4, 5466505), (5, 4373204), (10, 2186602), (11, 1987820), (20, 1093301), (22, 993910), (44, 496955), (55, 397564), (110, 198782), (220, 99391)]