21746965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 27127296

約数和(自身を除く): 5380331

約数列:

[1, 5, 31, 155, 173, 811, 865, 4055, 5363, 25141, 26815, 125705, 140303, 701515, 4349393, 21746965]

約数ペア:

[(1, 21746965), (5, 4349393), (31, 701515), (155, 140303), (173, 125705), (811, 26815), (865, 25141), (4055, 5363)]