21541317

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 34664448

約数和(自身を除く): 13123131

約数列:

[1, 3, 7, 21, 23, 69, 103, 161, 309, 433, 483, 721, 1299, 2163, 2369, 3031, 7107, 9093, 9959, 16583, 29877, 44599, 49749, 69713, 133797, 209139, 312193, 936579, 1025777, 3077331, 7180439, 21541317]

約数ペア:

[(1, 21541317), (3, 7180439), (7, 3077331), (21, 1025777), (23, 936579), (69, 312193), (103, 209139), (161, 133797), (309, 69713), (433, 49749), (483, 44599), (721, 29877), (1299, 16583), (2163, 9959), (2369, 9093), (3031, 7107)]