21629530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{439}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 20504870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 379, 439, 758, 878, 1895, 2195, 3790, 4390, 4927, 5707, 9854, 11414, 24635, 28535, 49270, 57070, 166381, 332762, 831905, 1663810, 2162953, 4325906, 10814765, 21629530]

約数ペア:

[(1, 21629530), (2, 10814765), (5, 4325906), (10, 2162953), (13, 1663810), (26, 831905), (65, 332762), (130, 166381), (379, 57070), (439, 49270), (758, 28535), (878, 24635), (1895, 11414), (2195, 9854), (3790, 5707), (4390, 4927)]