21843189

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{8699}}^1$

素因数の和:8742

約数の個数: 20

約数和(自身を含む): 33686400

約数和(自身を除く): 11843211

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 8699, 26097, 78291, 234873, 269669, 704619, 809007, 2427021, 7281063, 21843189]

約数ペア:

[(1, 21843189), (3, 7281063), (9, 2427021), (27, 809007), (31, 704619), (81, 269669), (93, 234873), (279, 78291), (837, 26097), (2511, 8699)]