21341619

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3881}}^1$

素因数の和:3947

約数の個数: 24

約数和(自身を含む): 33913152

約数和(自身を除く): 12571533

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 3881, 5499, 11643, 34929, 50453, 151359, 182407, 454077, 547221, 1641663, 2371291, 7113873, 21341619]

約数ペア:

[(1, 21341619), (3, 7113873), (9, 2371291), (13, 1641663), (39, 547221), (47, 454077), (117, 182407), (141, 151359), (423, 50453), (611, 34929), (1833, 11643), (3881, 5499)]