21148074

素因数分解:

$2^1\times 3^3\times {\mathrm{391631}}^1$

素因数の和:391642

約数の個数: 16

約数和(自身を含む): 46995840

約数和(自身を除く): 25847766

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 391631, 783262, 1174893, 2349786, 3524679, 7049358, 10574037, 21148074]

約数ペア:

[(1, 21148074), (2, 10574037), (3, 7049358), (6, 3524679), (9, 2349786), (18, 1174893), (27, 783262), (54, 391631)]