21860360

素因数分解:

$2^3\times 5^1\times {\mathrm{546509}}^1$

素因数の和:546520

約数の個数: 16

約数和(自身を含む): 49185900

約数和(自身を除く): 27325540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 546509, 1093018, 2186036, 2732545, 4372072, 5465090, 10930180, 21860360]

約数ペア:

[(1, 21860360), (2, 10930180), (4, 5465090), (5, 4372072), (8, 2732545), (10, 2186036), (20, 1093018), (40, 546509)]