21743617

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1033}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 25940992

約数和(自身を除く): 4197375

約数列:

[1, 7, 31, 97, 217, 679, 1033, 3007, 7231, 21049, 32023, 100201, 224161, 701407, 3106231, 21743617]

約数ペア:

[(1, 21743617), (7, 3106231), (31, 701407), (97, 224161), (217, 100201), (679, 32023), (1033, 21049), (3007, 7231)]