21048657

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43579}}^1$

素因数の和:43612

約数の個数: 16

約数和(自身を含む): 33469440

約数和(自身を除く): 12420783

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 43579, 130737, 305053, 915159, 1002317, 3006951, 7016219, 21048657]

約数ペア:

[(1, 21048657), (3, 7016219), (7, 3006951), (21, 1002317), (23, 915159), (69, 305053), (161, 130737), (483, 43579)]