21400686

素因数分解:

$2^1\times 3^4\times {\mathrm{132103}}^1$

素因数の和:132117

約数の個数: 20

約数和(自身を含む): 47953752

約数和(自身を除く): 26553066

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 132103, 264206, 396309, 792618, 1188927, 2377854, 3566781, 7133562, 10700343, 21400686]

約数ペア:

[(1, 21400686), (2, 10700343), (3, 7133562), (6, 3566781), (9, 2377854), (18, 1188927), (27, 792618), (54, 396309), (81, 264206), (162, 132103)]