21293165331

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{5791}}^1$

素因数の和:6045

約数の個数: 64

約数和(自身を含む): 34162606080

約数和(自身を除く): 12869440749

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 191, 207, 279, 573, 621, 713, 837, 1719, 2139, 4393, 5157, 5791, 5921, 6417, 13179, 17373, 17763, 19251, 39537, 52119, 53289, 118611, 133193, 136183, 156357, 159867, 179521, 399579, 408549, 538563, 1106081, 1198737, 1225647, 1615689, 3318243, 3596211, 3676941, 4128983, 4847067, 9954729, 12386949, 25439863, 29864187, 34288511, 37160847, 76319589, 102865533, 111482541, 228958767, 308596599, 686876301, 788635753, 925789797, 2365907259, 7097721777, 21293165331]

約数ペア:

[(1, 21293165331), (3, 7097721777), (9, 2365907259), (23, 925789797), (27, 788635753), (31, 686876301), (69, 308596599), (93, 228958767), (191, 111482541), (207, 102865533), (279, 76319589), (573, 37160847), (621, 34288511), (713, 29864187), (837, 25439863), (1719, 12386949), (2139, 9954729), (4393, 4847067), (5157, 4128983), (5791, 3676941), (5921, 3596211), (6417, 3318243), (13179, 1615689), (17373, 1225647), (17763, 1198737), (19251, 1106081), (39537, 538563), (52119, 408549), (53289, 399579), (118611, 179521), (133193, 159867), (136183, 156357)]