21144078

素因数分解:

$2^1\times 3^4\times {\mathrm{47}}^1\times {\mathrm{2777}}^1$

素因数の和:2838

約数の個数: 40

約数和(自身を含む): 48403872

約数和(自身を除く): 27259794

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 81, 94, 141, 162, 282, 423, 846, 1269, 2538, 2777, 3807, 5554, 7614, 8331, 16662, 24993, 49986, 74979, 130519, 149958, 224937, 261038, 391557, 449874, 783114, 1174671, 2349342, 3524013, 7048026, 10572039, 21144078]

約数ペア:

[(1, 21144078), (2, 10572039), (3, 7048026), (6, 3524013), (9, 2349342), (18, 1174671), (27, 783114), (47, 449874), (54, 391557), (81, 261038), (94, 224937), (141, 149958), (162, 130519), (282, 74979), (423, 49986), (846, 24993), (1269, 16662), (2538, 8331), (2777, 7614), (3807, 5554)]