21079970

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{44851}}^1$

素因数の和:44905

約数の個数: 16

約数和(自身を含む): 38752128

約数和(自身を除く): 17672158

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 44851, 89702, 224255, 448510, 2107997, 4215994, 10539985, 21079970]

約数ペア:

[(1, 21079970), (2, 10539985), (5, 4215994), (10, 2107997), (47, 448510), (94, 224255), (235, 89702), (470, 44851)]