21000918115

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2179649}}^1$

素因数の和:2179742

約数の個数: 16

約数和(自身を含む): 26365046400

約数和(自身を除く): 5364128285

約数列:

[1, 5, 41, 47, 205, 235, 1927, 9635, 2179649, 10898245, 89365609, 102443503, 446828045, 512217515, 4200183623, 21000918115]

約数ペア:

[(1, 21000918115), (5, 4200183623), (41, 512217515), (47, 446828045), (205, 102443503), (235, 89365609), (1927, 10898245), (9635, 2179649)]