21182918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{14489}}^1$

素因数の和:14551

約数の個数: 16

約数和(自身を含む): 34428240

約数和(自身を除く): 13245322

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 14489, 28978, 246313, 492626, 623027, 1246054, 10591459, 21182918]

約数ペア:

[(1, 21182918), (2, 10591459), (17, 1246054), (34, 623027), (43, 492626), (86, 246313), (731, 28978), (1462, 14489)]