21970773

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9649}}^1$

素因数の和:9689

約数の個数: 24

約数和(自身を含む): 36129600

約数和(自身を除く): 14158827

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 9649, 28947, 86841, 106139, 221927, 318417, 665781, 955251, 1997343, 2441197, 7323591, 21970773]

約数ペア:

[(1, 21970773), (3, 7323591), (9, 2441197), (11, 1997343), (23, 955251), (33, 665781), (69, 318417), (99, 221927), (207, 106139), (253, 86841), (759, 28947), (2277, 9649)]