10021221

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2179}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 16777280

約数和(自身を除く): 6756059

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 2179, 4599, 6537, 15253, 19611, 45759, 137277, 159067, 477201, 1113469, 1431603, 3340407, 10021221]

約数ペア:

[(1, 10021221), (3, 3340407), (7, 1431603), (9, 1113469), (21, 477201), (63, 159067), (73, 137277), (219, 45759), (511, 19611), (657, 15253), (1533, 6537), (2179, 4599)]