21362438

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{2389}}^1$

素因数の和:2671

約数の個数: 16

約数和(自身を含む): 34071840

約数和(自身を除く): 12709402

約数列:

[1, 2, 17, 34, 263, 526, 2389, 4471, 4778, 8942, 40613, 81226, 628307, 1256614, 10681219, 21362438]

約数ペア:

[(1, 21362438), (2, 10681219), (17, 1256614), (34, 628307), (263, 81226), (526, 40613), (2389, 8942), (4471, 4778)]