21995922

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3863}}^1$

素因数の和:3954

約数の個数: 32

約数和(自身を含む): 48037248

約数和(自身を除く): 26041326

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 3863, 5694, 7726, 11589, 23178, 50219, 100438, 150657, 281999, 301314, 563998, 845997, 1691994, 3665987, 7331974, 10997961, 21995922]

約数ペア:

[(1, 21995922), (2, 10997961), (3, 7331974), (6, 3665987), (13, 1691994), (26, 845997), (39, 563998), (73, 301314), (78, 281999), (146, 150657), (219, 100438), (438, 50219), (949, 23178), (1898, 11589), (2847, 7726), (3863, 5694)]