21966105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{209201}}^1$

素因数の和:209216

約数の個数: 16

約数和(自身を含む): 40166784

約数和(自身を除く): 18200679

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 209201, 627603, 1046005, 1464407, 3138015, 4393221, 7322035, 21966105]

約数ペア:

[(1, 21966105), (3, 7322035), (5, 4393221), (7, 3138015), (15, 1464407), (21, 1046005), (35, 627603), (105, 209201)]