21902096

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{1373}}^1$

素因数の和:2378

約数の個数: 20

約数和(自身を含む): 42508812

約数和(自身を除く): 20606716

約数列:

[1, 2, 4, 8, 16, 997, 1373, 1994, 2746, 3988, 5492, 7976, 10984, 15952, 21968, 1368881, 2737762, 5475524, 10951048, 21902096]

約数ペア:

[(1, 21902096), (2, 10951048), (4, 5475524), (8, 2737762), (16, 1368881), (997, 21968), (1373, 15952), (1994, 10984), (2746, 7976), (3988, 5492)]