21008962

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{11069}}^1$

素因数の和:11157

約数の個数: 16

約数和(自身を含む): 34405560

約数和(自身を除く): 13396598

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 11069, 22138, 143897, 287794, 808037, 1616074, 10504481, 21008962]

約数ペア:

[(1, 21008962), (2, 10504481), (13, 1616074), (26, 808037), (73, 287794), (146, 143897), (949, 22138), (1898, 11069)]