21769858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{52081}}^1$

素因数の和:52113

約数の個数: 16

約数和(自身を含む): 37499040

約数和(自身を除く): 15729182

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 52081, 104162, 572891, 989539, 1145782, 1979078, 10884929, 21769858]

約数ペア:

[(1, 21769858), (2, 10884929), (11, 1979078), (19, 1145782), (22, 989539), (38, 572891), (209, 104162), (418, 52081)]