21266715

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{48889}}^1$

素因数の和:48926

約数の個数: 16

約数和(自身を含む): 35200800

約数和(自身を除く): 13934085

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 48889, 146667, 244445, 733335, 1417781, 4253343, 7088905, 21266715]

約数ペア:

[(1, 21266715), (3, 7088905), (5, 4253343), (15, 1417781), (29, 733335), (87, 244445), (145, 146667), (435, 48889)]