21393786

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{209743}}^1$

素因数の和:209765

約数の個数: 16

約数和(自身を含む): 45304704

約数和(自身を除く): 23910918

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 209743, 419486, 629229, 1258458, 3565631, 7131262, 10696893, 21393786]

約数ペア:

[(1, 21393786), (2, 10696893), (3, 7131262), (6, 3565631), (17, 1258458), (34, 629229), (51, 419486), (102, 209743)]