21902127

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1303}}^1$

素因数の和:1750

約数の個数: 16

約数和(自身を含む): 31546368

約数和(自身を除く): 9644241

約数列:

[1, 3, 13, 39, 431, 1293, 1303, 3909, 5603, 16809, 16939, 50817, 561593, 1684779, 7300709, 21902127]

約数ペア:

[(1, 21902127), (3, 7300709), (13, 1684779), (39, 561593), (431, 50817), (1293, 16939), (1303, 16809), (3909, 5603)]