21122475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25603}}^1$

素因数の和:25627

約数の個数: 24

約数和(自身を含む): 38098752

約数和(自身を除く): 16976277

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 25603, 76809, 128015, 281633, 384045, 640075, 844899, 1408165, 1920225, 4224495, 7040825, 21122475]

約数ペア:

[(1, 21122475), (3, 7040825), (5, 4224495), (11, 1920225), (15, 1408165), (25, 844899), (33, 640075), (55, 384045), (75, 281633), (165, 128015), (275, 76809), (825, 25603)]