21082022

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15299}}^1$

素因数の和:15367

約数の個数: 16

約数和(自身を含む): 34700400

約数和(自身を除く): 13618378

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 15299, 30598, 198887, 397774, 810847, 1621694, 10541011, 21082022]

約数ペア:

[(1, 21082022), (2, 10541011), (13, 1621694), (26, 810847), (53, 397774), (106, 198887), (689, 30598), (1378, 15299)]