21106923

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1093}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 29039136

約数和(自身を除く): 7932213

約数列:

[1, 3, 41, 123, 157, 471, 1093, 3279, 6437, 19311, 44813, 134439, 171601, 514803, 7035641, 21106923]

約数ペア:

[(1, 21106923), (3, 7035641), (41, 514803), (123, 171601), (157, 134439), (471, 44813), (1093, 19311), (3279, 6437)]