21012630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5039}}^1$

素因数の和:5188

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 29790570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 5039, 10078, 15117, 25195, 30234, 50390, 75585, 151170, 700421, 1400842, 2101263, 3502105, 4202526, 7004210, 10506315, 21012630]

約数ペア:

[(1, 21012630), (2, 10506315), (3, 7004210), (5, 4202526), (6, 3502105), (10, 2101263), (15, 1400842), (30, 700421), (139, 151170), (278, 75585), (417, 50390), (695, 30234), (834, 25195), (1390, 15117), (2085, 10078), (4170, 5039)]