21518475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{26083}}^1$

素因数の和:26107

約数の個数: 24

約数和(自身を含む): 38812992

約数和(自身を除く): 17294517

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 26083, 78249, 130415, 286913, 391245, 652075, 860739, 1434565, 1956225, 4303695, 7172825, 21518475]

約数ペア:

[(1, 21518475), (3, 7172825), (5, 4303695), (11, 1956225), (15, 1434565), (25, 860739), (33, 652075), (55, 391245), (75, 286913), (165, 130415), (275, 78249), (825, 26083)]