21123418

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{2713}}^1$

素因数の和:2961

約数の個数: 16

約数和(自身を含む): 33707880

約数和(自身を除く): 12584462

約数列:

[1, 2, 17, 34, 229, 458, 2713, 3893, 5426, 7786, 46121, 92242, 621277, 1242554, 10561709, 21123418]

約数ペア:

[(1, 21123418), (2, 10561709), (17, 1242554), (34, 621277), (229, 92242), (458, 46121), (2713, 7786), (3893, 5426)]