21201270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{706709}}^1$

素因数の和:706719

約数の個数: 16

約数和(自身を含む): 50883120

約数和(自身を除く): 29681850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 706709, 1413418, 2120127, 3533545, 4240254, 7067090, 10600635, 21201270]

約数ペア:

[(1, 21201270), (2, 10600635), (3, 7067090), (5, 4240254), (6, 3533545), (10, 2120127), (15, 1413418), (30, 706709)]