21788897119

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{47087}}^1$

素因数の和:47211

約数の個数: 32

約数和(自身を含む): 26037780480

約数和(自身を除く): 4248883361

約数列:

[1, 11, 23, 31, 59, 253, 341, 649, 713, 1357, 1829, 7843, 14927, 20119, 42067, 47087, 462737, 517957, 1083001, 1459697, 2778133, 11913011, 16056667, 30559463, 33573031, 63897059, 86122123, 369303341, 702867649, 947343353, 1980808829, 21788897119]

約数ペア:

[(1, 21788897119), (11, 1980808829), (23, 947343353), (31, 702867649), (59, 369303341), (253, 86122123), (341, 63897059), (649, 33573031), (713, 30559463), (1357, 16056667), (1829, 11913011), (7843, 2778133), (14927, 1459697), (20119, 1083001), (42067, 517957), (47087, 462737)]