21467313

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8311}}^1$

素因数の和:8365

約数の個数: 24

約数和(自身を含む): 36306816

約数和(自身を除く): 14839503

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 8311, 24933, 58177, 74799, 174531, 340751, 523593, 1022253, 2385257, 3066759, 7155771, 21467313]

約数ペア:

[(1, 21467313), (3, 7155771), (7, 3066759), (9, 2385257), (21, 1022253), (41, 523593), (63, 340751), (123, 174531), (287, 74799), (369, 58177), (861, 24933), (2583, 8311)]