21246902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13003}}^1$

素因数の和:13067

約数の個数: 16

約数和(自身を含む): 34330560

約数和(自身を除く): 13083658

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 13003, 26006, 247057, 494114, 559129, 1118258, 10623451, 21246902]

約数ペア:

[(1, 21246902), (2, 10623451), (19, 1118258), (38, 559129), (43, 494114), (86, 247057), (817, 26006), (1634, 13003)]