21836019088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{104980861}}^1$

素因数の和:104980882

約数の個数: 20

約数和(自身を含む): 45561694108

約数和(自身を除く): 23725675020

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 104980861, 209961722, 419923444, 839846888, 1364751193, 1679693776, 2729502386, 5459004772, 10918009544, 21836019088]

約数ペア:

[(1, 21836019088), (2, 10918009544), (4, 5459004772), (8, 2729502386), (13, 1679693776), (16, 1364751193), (26, 839846888), (52, 419923444), (104, 209961722), (208, 104980861)]