21015974018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12064279}}^1$

素因数の和:12064361

約数の個数: 16

約数和(自身を含む): 34455583680

約数和(自身を除く): 13439609662

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 12064279, 24128558, 156835627, 313671254, 808306693, 1616613386, 10507987009, 21015974018]

約数ペア:

[(1, 21015974018), (2, 10507987009), (13, 1616613386), (26, 808306693), (67, 313671254), (134, 156835627), (871, 24128558), (1742, 12064279)]