21248548

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1373}}^1$

素因数の和:1503

約数の個数: 24

約数和(自身を含む): 38433528

約数和(自身を除く): 17184980

約数列:

[1, 2, 4, 53, 73, 106, 146, 212, 292, 1373, 2746, 3869, 5492, 7738, 15476, 72769, 100229, 145538, 200458, 291076, 400916, 5312137, 10624274, 21248548]

約数ペア:

[(1, 21248548), (2, 10624274), (4, 5312137), (53, 400916), (73, 291076), (106, 200458), (146, 145538), (212, 100229), (292, 72769), (1373, 15476), (2746, 7738), (3869, 5492)]