21860025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{26497}}^1$

素因数の和:26521

約数の個数: 24

約数和(自身を含む): 39429024

約数和(自身を除く): 17568999

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 26497, 79491, 132485, 291467, 397455, 662425, 874401, 1457335, 1987275, 4372005, 7286675, 21860025]

約数ペア:

[(1, 21860025), (3, 7286675), (5, 4372005), (11, 1987275), (15, 1457335), (25, 874401), (33, 662425), (55, 397455), (75, 291467), (165, 132485), (275, 79491), (825, 26497)]