21729894

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2971}}^1$

素因数の和:3052

約数の個数: 32

約数和(自身を含む): 46220544

約数和(自身を除く): 24490650

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 106, 138, 159, 318, 1219, 2438, 2971, 3657, 5942, 7314, 8913, 17826, 68333, 136666, 157463, 204999, 314926, 409998, 472389, 944778, 3621649, 7243298, 10864947, 21729894]

約数ペア:

[(1, 21729894), (2, 10864947), (3, 7243298), (6, 3621649), (23, 944778), (46, 472389), (53, 409998), (69, 314926), (106, 204999), (138, 157463), (159, 136666), (318, 68333), (1219, 17826), (2438, 8913), (2971, 7314), (3657, 5942)]