21011301

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{63097}}^1$

素因数の和:63140

約数の個数: 12

約数和(自身を含む): 31170412

約数和(自身を除く): 10159111

約数列:

[1, 3, 9, 37, 111, 333, 63097, 189291, 567873, 2334589, 7003767, 21011301]

約数ペア:

[(1, 21011301), (3, 7003767), (9, 2334589), (37, 567873), (111, 189291), (333, 63097)]