21468615

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29209}}^1$

素因数の和:29231

約数の個数: 24

約数和(自身を含む): 39959280

約数和(自身を除く): 18490665

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 29209, 87627, 146045, 204463, 438135, 613389, 1022315, 1431241, 3066945, 4293723, 7156205, 21468615]

約数ペア:

[(1, 21468615), (3, 7156205), (5, 4293723), (7, 3066945), (15, 1431241), (21, 1022315), (35, 613389), (49, 438135), (105, 204463), (147, 146045), (245, 87627), (735, 29209)]