21345693

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{733}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 30229056

約数和(自身を除く): 8883363

約数列:

[1, 3, 17, 51, 571, 733, 1713, 2199, 9707, 12461, 29121, 37383, 418543, 1255629, 7115231, 21345693]

約数ペア:

[(1, 21345693), (3, 7115231), (17, 1255629), (51, 418543), (571, 37383), (733, 29121), (1713, 12461), (2199, 9707)]