21832145

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 26904960

約数和(自身を除く): 5072815

約数列:

[1, 5, 71, 89, 355, 445, 691, 3455, 6319, 31595, 49061, 61499, 245305, 307495, 4366429, 21832145]

約数ペア:

[(1, 21832145), (5, 4366429), (71, 307495), (89, 245305), (355, 61499), (445, 49061), (691, 31595), (3455, 6319)]