21393080

素因数分解:

$2^3\times 5^1\times {\mathrm{534827}}^1$

素因数の和:534838

約数の個数: 16

約数和(自身を含む): 48134520

約数和(自身を除く): 26741440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 534827, 1069654, 2139308, 2674135, 4278616, 5348270, 10696540, 21393080]

約数ペア:

[(1, 21393080), (2, 10696540), (4, 5348270), (5, 4278616), (8, 2674135), (10, 2139308), (20, 1069654), (40, 534827)]