21418074

素因数分解:

$2^1\times 3^3\times {\mathrm{396631}}^1$

素因数の和:396642

約数の個数: 16

約数和(自身を含む): 47595840

約数和(自身を除く): 26177766

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 396631, 793262, 1189893, 2379786, 3569679, 7139358, 10709037, 21418074]

約数ペア:

[(1, 21418074), (2, 10709037), (3, 7139358), (6, 3569679), (9, 2379786), (18, 1189893), (27, 793262), (54, 396631)]