21755344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{104593}}^1$

素因数の和:104614

約数の個数: 20

約数和(自身を含む): 45393796

約数和(自身を除く): 23638452

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 104593, 209186, 418372, 836744, 1359709, 1673488, 2719418, 5438836, 10877672, 21755344]

約数ペア:

[(1, 21755344), (2, 10877672), (4, 5438836), (8, 2719418), (13, 1673488), (16, 1359709), (26, 836744), (52, 418372), (104, 209186), (208, 104593)]