21940234

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{349}}^1$

素因数の和:454

約数の個数: 24

約数和(自身を含む): 35777700

約数和(自身を除く): 13837466

約数列:

[1, 2, 17, 34, 43, 86, 349, 698, 731, 1462, 1849, 3698, 5933, 11866, 15007, 30014, 31433, 62866, 255119, 510238, 645301, 1290602, 10970117, 21940234]

約数ペア:

[(1, 21940234), (2, 10970117), (17, 1290602), (34, 645301), (43, 510238), (86, 255119), (349, 62866), (698, 31433), (731, 30014), (1462, 15007), (1849, 11866), (3698, 5933)]