21474123

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 34041600

約数和(自身を除く): 12567477

約数列:

[1, 3, 11, 19, 29, 33, 57, 87, 209, 319, 551, 627, 957, 1181, 1653, 3543, 6061, 12991, 18183, 22439, 34249, 38973, 67317, 102747, 246829, 376739, 650731, 740487, 1130217, 1952193, 7158041, 21474123]

約数ペア:

[(1, 21474123), (3, 7158041), (11, 1952193), (19, 1130217), (29, 740487), (33, 650731), (57, 376739), (87, 246829), (209, 102747), (319, 67317), (551, 38973), (627, 34249), (957, 22439), (1181, 18183), (1653, 12991), (3543, 6061)]