21292293

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1171}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 33753600

約数和(自身を除く): 12461307

約数列:

[1, 3, 11, 19, 29, 33, 57, 87, 209, 319, 551, 627, 957, 1171, 1653, 3513, 6061, 12881, 18183, 22249, 33959, 38643, 66747, 101877, 244739, 373549, 645221, 734217, 1120647, 1935663, 7097431, 21292293]

約数ペア:

[(1, 21292293), (3, 7097431), (11, 1935663), (19, 1120647), (29, 734217), (33, 645221), (57, 373549), (87, 244739), (209, 101877), (319, 66747), (551, 38643), (627, 33959), (957, 22249), (1171, 18183), (1653, 12881), (3513, 6061)]