21311718

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^2\times {\mathrm{2113}}^1$

素因数の和:2200

約数の個数: 24

約数和(自身を含む): 43709064

約数和(自身を除く): 22397346

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 1681, 2113, 3362, 4226, 5043, 6339, 10086, 12678, 86633, 173266, 259899, 519798, 3551953, 7103906, 10655859, 21311718]

約数ペア:

[(1, 21311718), (2, 10655859), (3, 7103906), (6, 3551953), (41, 519798), (82, 259899), (123, 173266), (246, 86633), (1681, 12678), (2113, 10086), (3362, 6339), (4226, 5043)]