21783226

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{857}}^1$

素因数の和:1109

約数の個数: 16

約数和(自身を含む): 33359040

約数和(自身を除く): 11575814

約数列:

[1, 2, 71, 142, 179, 358, 857, 1714, 12709, 25418, 60847, 121694, 153403, 306806, 10891613, 21783226]

約数ペア:

[(1, 21783226), (2, 10891613), (71, 306806), (142, 153403), (179, 121694), (358, 60847), (857, 25418), (1714, 12709)]