21987032255

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3833833}}^1$

素因数の和:3833906

約数の個数: 16

約数和(自身を含む): 27971652864

約数和(自身を除く): 5984620609

約数列:

[1, 5, 31, 37, 155, 185, 1147, 5735, 3833833, 19169165, 118848823, 141851821, 594244115, 709259105, 4397406451, 21987032255]

約数ペア:

[(1, 21987032255), (5, 4397406451), (31, 709259105), (37, 594244115), (155, 141851821), (185, 118848823), (1147, 19169165), (5735, 3833833)]