21815670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{727189}}^1$

素因数の和:727199

約数の個数: 16

約数和(自身を含む): 52357680

約数和(自身を除く): 30542010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 727189, 1454378, 2181567, 3635945, 4363134, 7271890, 10907835, 21815670]

約数ペア:

[(1, 21815670), (2, 10907835), (3, 7271890), (5, 4363134), (6, 3635945), (10, 2181567), (15, 1454378), (30, 727189)]