21863480

素因数分解:

$2^3\times 5^1\times {\mathrm{546587}}^1$

素因数の和:546598

約数の個数: 16

約数和(自身を含む): 49192920

約数和(自身を除く): 27329440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 546587, 1093174, 2186348, 2732935, 4372696, 5465870, 10931740, 21863480]

約数ペア:

[(1, 21863480), (2, 10931740), (4, 5465870), (5, 4372696), (8, 2732935), (10, 2186348), (20, 1093174), (40, 546587)]