21623007

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{54193}}^1$

素因数の和:54222

約数の個数: 16

約数和(自身を含む): 34684160

約数和(自身を除く): 13061153

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 54193, 162579, 379351, 1029667, 1138053, 3089001, 7207669, 21623007]

約数ペア:

[(1, 21623007), (3, 7207669), (7, 3089001), (19, 1138053), (21, 1029667), (57, 379351), (133, 162579), (399, 54193)]