21790755

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23059}}^1$

素因数の和:23080

約数の個数: 32

約数和(自身を含む): 44275200

約数和(自身を除く): 22484445

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 23059, 69177, 115295, 161413, 207531, 345885, 484239, 622593, 807065, 1037655, 1452717, 2421195, 3112965, 4358151, 7263585, 21790755]

約数ペア:

[(1, 21790755), (3, 7263585), (5, 4358151), (7, 3112965), (9, 2421195), (15, 1452717), (21, 1037655), (27, 807065), (35, 622593), (45, 484239), (63, 345885), (105, 207531), (135, 161413), (189, 115295), (315, 69177), (945, 23059)]