21042546

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{501013}}^1$

素因数の和:501025

約数の個数: 16

約数和(自身を含む): 48097344

約数和(自身を除く): 27054798

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 501013, 1002026, 1503039, 3006078, 3507091, 7014182, 10521273, 21042546]

約数ペア:

[(1, 21042546), (2, 10521273), (3, 7014182), (6, 3507091), (7, 3006078), (14, 1503039), (21, 1002026), (42, 501013)]