21404120

素因数分解:

$2^3\times 5^1\times {\mathrm{535103}}^1$

素因数の和:535114

約数の個数: 16

約数和(自身を含む): 48159360

約数和(自身を除く): 26755240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 535103, 1070206, 2140412, 2675515, 4280824, 5351030, 10702060, 21404120]

約数ペア:

[(1, 21404120), (2, 10702060), (4, 5351030), (5, 4280824), (8, 2675515), (10, 2140412), (20, 1070206), (40, 535103)]