21227235

素因数分解:

$3^1\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{1283}}^1$

素因数の和:2394

約数の個数: 16

約数和(自身を含む): 34020864

約数和(自身を除く): 12793629

約数列:

[1, 3, 5, 15, 1103, 1283, 3309, 3849, 5515, 6415, 16545, 19245, 1415149, 4245447, 7075745, 21227235]

約数ペア:

[(1, 21227235), (3, 7075745), (5, 4245447), (15, 1415149), (1103, 19245), (1283, 16545), (3309, 6415), (3849, 5515)]