21909954

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 48799296

約数和(自身を除く): 26889342

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 103, 121, 206, 242, 293, 309, 363, 586, 618, 726, 879, 1133, 1758, 2266, 3223, 3399, 6446, 6798, 9669, 12463, 19338, 24926, 30179, 35453, 37389, 60358, 70906, 74778, 90537, 106359, 181074, 212718, 331969, 663938, 995907, 1991814, 3651659, 7303318, 10954977, 21909954]

約数ペア:

[(1, 21909954), (2, 10954977), (3, 7303318), (6, 3651659), (11, 1991814), (22, 995907), (33, 663938), (66, 331969), (103, 212718), (121, 181074), (206, 106359), (242, 90537), (293, 74778), (309, 70906), (363, 60358), (586, 37389), (618, 35453), (726, 30179), (879, 24926), (1133, 19338), (1758, 12463), (2266, 9669), (3223, 6798), (3399, 6446)]