21746665

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{3191}}^1$

素因数の和:3272

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 5832215

約数列:

[1, 5, 29, 47, 145, 235, 1363, 3191, 6815, 15955, 92539, 149977, 462695, 749885, 4349333, 21746665]

約数ペア:

[(1, 21746665), (5, 4349333), (29, 749885), (47, 462695), (145, 149977), (235, 92539), (1363, 15955), (3191, 6815)]