21968607

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{6067}}^1$

素因数の和:6158

約数の個数: 16

約数和(自身を含む): 31456512

約数和(自身を除く): 9487905

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 6067, 18201, 103139, 309417, 430757, 1292271, 7322869, 21968607]

約数ペア:

[(1, 21968607), (3, 7322869), (17, 1292271), (51, 430757), (71, 309417), (213, 103139), (1207, 18201), (3621, 6067)]