21503403

素因数分解:

$3^2\times {\mathrm{1277}}^1\times {\mathrm{1871}}^1$

素因数の和:3154

約数の個数: 12

約数和(自身を含む): 31101408

約数和(自身を除く): 9598005

約数列:

[1, 3, 9, 1277, 1871, 3831, 5613, 11493, 16839, 2389267, 7167801, 21503403]

約数ペア:

[(1, 21503403), (3, 7167801), (9, 2389267), (1277, 16839), (1871, 11493), (3831, 5613)]