21999717

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2713}}^1$

素因数の和:2789

約数の個数: 24

約数和(自身を含む): 34294104

約数和(自身を除く): 12294387

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2703, 2713, 8109, 8139, 24417, 46121, 138363, 143789, 415089, 431367, 1294101, 2444413, 7333239, 21999717]

約数ペア:

[(1, 21999717), (3, 7333239), (9, 2444413), (17, 1294101), (51, 431367), (53, 415089), (153, 143789), (159, 138363), (477, 46121), (901, 24417), (2703, 8139), (2713, 8109)]