21265260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354421}}^1$

素因数の和:354433

約数の個数: 24

約数和(自身を含む): 59542896

約数和(自身を除く): 38277636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354421, 708842, 1063263, 1417684, 1772105, 2126526, 3544210, 4253052, 5316315, 7088420, 10632630, 21265260]

約数ペア:

[(1, 21265260), (2, 10632630), (3, 7088420), (4, 5316315), (5, 4253052), (6, 3544210), (10, 2126526), (12, 1772105), (15, 1417684), (20, 1063263), (30, 708842), (60, 354421)]