21446715

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{509}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 35043120

約数和(自身を除く): 13596405

約数列:

[1, 3, 5, 15, 53, 159, 265, 509, 795, 1527, 2545, 2809, 7635, 8427, 14045, 26977, 42135, 80931, 134885, 404655, 1429781, 4289343, 7148905, 21446715]

約数ペア:

[(1, 21446715), (3, 7148905), (5, 4289343), (15, 1429781), (53, 404655), (159, 134885), (265, 80931), (509, 42135), (795, 26977), (1527, 14045), (2545, 8427), (2809, 7635)]