21711284

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25013}}^1$

素因数の和:25055

約数の個数: 24

約数和(自身を含む): 44825088

約数和(自身を除く): 23113804

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 25013, 50026, 100052, 175091, 350182, 700364, 775403, 1550806, 3101612, 5427821, 10855642, 21711284]

約数ペア:

[(1, 21711284), (2, 10855642), (4, 5427821), (7, 3101612), (14, 1550806), (28, 775403), (31, 700364), (62, 350182), (124, 175091), (217, 100052), (434, 50026), (868, 25013)]