21488165

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1499}}^1$

素因数の和:1612

約数の個数: 16

約数和(自身を含む): 26784000

約数和(自身を除く): 5295835

約数列:

[1, 5, 47, 61, 235, 305, 1499, 2867, 7495, 14335, 70453, 91439, 352265, 457195, 4297633, 21488165]

約数ペア:

[(1, 21488165), (5, 4297633), (47, 457195), (61, 352265), (235, 91439), (305, 70453), (1499, 14335), (2867, 7495)]