21349233

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 32288256

約数和(自身を除く): 10939023

約数列:

[1, 3, 9, 41, 47, 123, 141, 369, 423, 1231, 1927, 3693, 5781, 11079, 17343, 50471, 57857, 151413, 173571, 454239, 520713, 2372137, 7116411, 21349233]

約数ペア:

[(1, 21349233), (3, 7116411), (9, 2372137), (41, 520713), (47, 454239), (123, 173571), (141, 151413), (369, 57857), (423, 50471), (1231, 17343), (1927, 11079), (3693, 5781)]