21886434

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:743

約数の個数: 48

約数和(自身を含む): 49830144

約数和(自身を除く): 27943710

約数列:

[1, 2, 3, 6, 9, 18, 31, 61, 62, 93, 122, 183, 186, 279, 366, 549, 558, 643, 1098, 1286, 1891, 1929, 3782, 3858, 5673, 5787, 11346, 11574, 17019, 19933, 34038, 39223, 39866, 59799, 78446, 117669, 119598, 179397, 235338, 353007, 358794, 706014, 1215913, 2431826, 3647739, 7295478, 10943217, 21886434]

約数ペア:

[(1, 21886434), (2, 10943217), (3, 7295478), (6, 3647739), (9, 2431826), (18, 1215913), (31, 706014), (61, 358794), (62, 353007), (93, 235338), (122, 179397), (183, 119598), (186, 117669), (279, 78446), (366, 59799), (549, 39866), (558, 39223), (643, 34038), (1098, 19933), (1286, 17019), (1891, 11574), (1929, 11346), (3782, 5787), (3858, 5673)]