21044996847

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{5197}}^1$

素因数の和:5445

約数の個数: 96

約数和(自身を含む): 38922624000

約数和(自身を除く): 17877627153

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 199, 323, 357, 399, 597, 969, 1071, 1197, 1393, 1791, 2261, 2907, 3383, 3781, 4179, 5197, 6783, 10149, 11343, 12537, 15591, 20349, 23681, 26467, 30447, 34029, 36379, 46773, 64277, 71043, 79401, 88349, 98743, 109137, 192831, 213129, 238203, 265047, 296229, 327411, 449939, 578493, 618443, 691201, 795141, 888687, 1034203, 1349817, 1678631, 1855329, 2073603, 3102609, 4049451, 5035893, 5565987, 6220809, 7239421, 9307827, 11750417, 15107679, 17581451, 19649857, 21718263, 35251251, 52744353, 58949571, 65154789, 105753753, 123070157, 137548999, 158233059, 176848713, 334047569, 369210471, 412646997, 1002142707, 1107631413, 1237940991, 2338332983, 3006428121, 7014998949, 21044996847]

約数ペア:

[(1, 21044996847), (3, 7014998949), (7, 3006428121), (9, 2338332983), (17, 1237940991), (19, 1107631413), (21, 1002142707), (51, 412646997), (57, 369210471), (63, 334047569), (119, 176848713), (133, 158233059), (153, 137548999), (171, 123070157), (199, 105753753), (323, 65154789), (357, 58949571), (399, 52744353), (597, 35251251), (969, 21718263), (1071, 19649857), (1197, 17581451), (1393, 15107679), (1791, 11750417), (2261, 9307827), (2907, 7239421), (3383, 6220809), (3781, 5565987), (4179, 5035893), (5197, 4049451), (6783, 3102609), (10149, 2073603), (11343, 1855329), (12537, 1678631), (15591, 1349817), (20349, 1034203), (23681, 888687), (26467, 795141), (30447, 691201), (34029, 618443), (36379, 578493), (46773, 449939), (64277, 327411), (71043, 296229), (79401, 265047), (88349, 238203), (98743, 213129), (109137, 192831)]