21550569

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 29249664

約数和(自身を除く): 7699095

約数列:

[1, 3, 113, 151, 339, 421, 453, 1263, 17063, 47573, 51189, 63571, 142719, 190713, 7183523, 21550569]

約数ペア:

[(1, 21550569), (3, 7183523), (113, 190713), (151, 142719), (339, 63571), (421, 51189), (453, 47573), (1263, 17063)]