21911988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{260857}}^1$

素因数の和:260871

約数の個数: 24

約数和(自身を含む): 58432192

約数和(自身を除く): 36520204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 260857, 521714, 782571, 1043428, 1565142, 1825999, 3130284, 3651998, 5477997, 7303996, 10955994, 21911988]

約数ペア:

[(1, 21911988), (2, 10955994), (3, 7303996), (4, 5477997), (6, 3651998), (7, 3130284), (12, 1825999), (14, 1565142), (21, 1043428), (28, 782571), (42, 521714), (84, 260857)]