21679532

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40751}}^1$

素因数の和:40781

約数の個数: 24

約数和(自身を含む): 45642240

約数和(自身を除く): 23962708

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40751, 81502, 163004, 285257, 570514, 774269, 1141028, 1548538, 3097076, 5419883, 10839766, 21679532]

約数ペア:

[(1, 21679532), (2, 10839766), (4, 5419883), (7, 3097076), (14, 1548538), (19, 1141028), (28, 774269), (38, 570514), (76, 285257), (133, 163004), (266, 81502), (532, 40751)]