21011036259

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{3271}}^1\times {\mathrm{52223}}^1$

素因数の和:55538

約数の個数: 16

約数和(自身を含む): 28707323904

約数和(自身を除く): 7696287645

約数列:

[1, 3, 41, 123, 3271, 9813, 52223, 134111, 156669, 402333, 2141143, 6423429, 170821433, 512464299, 7003678753, 21011036259]

約数ペア:

[(1, 21011036259), (3, 7003678753), (41, 512464299), (123, 170821433), (3271, 6423429), (9813, 2141143), (52223, 402333), (134111, 156669)]