21886218

素因数分解:

$2^1\times 3^2\times {\mathrm{821}}^1\times {\mathrm{1481}}^1$

素因数の和:2310

約数の個数: 24

約数和(自身を含む): 47509956

約数和(自身を除く): 25623738

約数列:

[1, 2, 3, 6, 9, 18, 821, 1481, 1642, 2463, 2962, 4443, 4926, 7389, 8886, 13329, 14778, 26658, 1215901, 2431802, 3647703, 7295406, 10943109, 21886218]

約数ペア:

[(1, 21886218), (2, 10943109), (3, 7295406), (6, 3647703), (9, 2431802), (18, 1215901), (821, 26658), (1481, 14778), (1642, 13329), (2463, 8886), (2962, 7389), (4443, 4926)]