21203386

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{14503}}^1$

素因数の和:14565

約数の個数: 16

約数和(自身を含む): 34461504

約数和(自身を除く): 13258118

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 14503, 29006, 246551, 493102, 623629, 1247258, 10601693, 21203386]

約数ペア:

[(1, 21203386), (2, 10601693), (17, 1247258), (34, 623629), (43, 493102), (86, 246551), (731, 29006), (1462, 14503)]