21324578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10891}}^1$

素因数の和:10993

約数の個数: 16

約数和(自身を含む): 35290080

約数和(自身を除く): 13965502

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10891, 21782, 119801, 239602, 969299, 1938598, 10662289, 21324578]

約数ペア:

[(1, 21324578), (2, 10662289), (11, 1938598), (22, 969299), (89, 239602), (178, 119801), (979, 21782), (1958, 10891)]