21279238251

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2436647}}^1$

素因数の和:2436762

約数の個数: 16

約数和(自身を含む): 29473694208

約数和(自身を除く): 8194455957

約数列:

[1, 3, 41, 71, 123, 213, 2911, 8733, 2436647, 7309941, 99902527, 173001937, 299707581, 519005811, 7093079417, 21279238251]

約数ペア:

[(1, 21279238251), (3, 7093079417), (41, 519005811), (71, 299707581), (123, 173001937), (213, 99902527), (2911, 7309941), (8733, 2436647)]