21158869858

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{52115443}}^1$

素因数の和:52115481

約数の個数: 16

約数和(自身を含む): 37523119680

約数和(自身を除く): 16364249822

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 52115443, 104230886, 364808101, 729616202, 1511347847, 3022695694, 10579434929, 21158869858]

約数ペア:

[(1, 21158869858), (2, 10579434929), (7, 3022695694), (14, 1511347847), (29, 729616202), (58, 364808101), (203, 104230886), (406, 52115443)]