21243482

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43003}}^1$

素因数の和:43037

約数の個数: 16

約数和(自身を含む): 36123360

約数和(自身を除く): 14879878

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 43003, 86006, 559039, 817057, 1118078, 1634114, 10621741, 21243482]

約数ペア:

[(1, 21243482), (2, 10621741), (13, 1634114), (19, 1118078), (26, 817057), (38, 559039), (247, 86006), (494, 43003)]