21815667

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1129}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 33493200

約数和(自身を除く): 11677533

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 1017, 1129, 2147, 3387, 6441, 10161, 19323, 21451, 64353, 127577, 193059, 382731, 1148193, 2423963, 7271889, 21815667]

約数ペア:

[(1, 21815667), (3, 7271889), (9, 2423963), (19, 1148193), (57, 382731), (113, 193059), (171, 127577), (339, 64353), (1017, 21451), (1129, 19323), (2147, 10161), (3387, 6441)]