21227529

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 30187200

約数和(自身を除く): 8959671

約数列:

[1, 3, 31, 37, 93, 111, 199, 597, 961, 1147, 2883, 3441, 6169, 7363, 18507, 22089, 35557, 106671, 191239, 228253, 573717, 684759, 7075843, 21227529]

約数ペア:

[(1, 21227529), (3, 7075843), (31, 684759), (37, 573717), (93, 228253), (111, 191239), (199, 106671), (597, 35557), (961, 22089), (1147, 18507), (2883, 7363), (3441, 6169)]