21746468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1657}}^1$

素因数の和:1871

約数の個数: 24

約数和(自身を含む): 40528152

約数和(自身を除く): 18781684

約数列:

[1, 2, 4, 17, 34, 68, 193, 386, 772, 1657, 3281, 3314, 6562, 6628, 13124, 28169, 56338, 112676, 319801, 639602, 1279204, 5436617, 10873234, 21746468]

約数ペア:

[(1, 21746468), (2, 10873234), (4, 5436617), (17, 1279204), (34, 639602), (68, 319801), (193, 112676), (386, 56338), (772, 28169), (1657, 13124), (3281, 6628), (3314, 6562)]