21892484

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{15161}}^1$

素因数の和:15203

約数の個数: 18

約数和(自身を含む): 40437054

約数和(自身を除く): 18544570

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 15161, 30322, 60644, 288059, 576118, 1152236, 5473121, 10946242, 21892484]

約数ペア:

[(1, 21892484), (2, 10946242), (4, 5473121), (19, 1152236), (38, 576118), (76, 288059), (361, 60644), (722, 30322), (1444, 15161)]