21723994

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20611}}^1$

素因数の和:20661

約数の個数: 16

約数和(自身を含む): 35617536

約数和(自身を除く): 13893542

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 20611, 41222, 350387, 638941, 700774, 1277882, 10861997, 21723994]

約数ペア:

[(1, 21723994), (2, 10861997), (17, 1277882), (31, 700774), (34, 638941), (62, 350387), (527, 41222), (1054, 20611)]