21503196

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4177}}^1$

素因数の和:4211

約数の個数: 72

約数和(自身を含む): 63873264

約数和(自身を除く): 42370068

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 4177, 5148, 8354, 12531, 16708, 25062, 37593, 45947, 50124, 54301, 75186, 91894, 108602, 137841, 150372, 162903, 183788, 217204, 275682, 325806, 413523, 488709, 551364, 597311, 651612, 827046, 977418, 1194622, 1654092, 1791933, 1954836, 2389244, 3583866, 5375799, 7167732, 10751598, 21503196]

約数ペア:

[(1, 21503196), (2, 10751598), (3, 7167732), (4, 5375799), (6, 3583866), (9, 2389244), (11, 1954836), (12, 1791933), (13, 1654092), (18, 1194622), (22, 977418), (26, 827046), (33, 651612), (36, 597311), (39, 551364), (44, 488709), (52, 413523), (66, 325806), (78, 275682), (99, 217204), (117, 183788), (132, 162903), (143, 150372), (156, 137841), (198, 108602), (234, 91894), (286, 75186), (396, 54301), (429, 50124), (468, 45947), (572, 37593), (858, 25062), (1287, 16708), (1716, 12531), (2574, 8354), (4177, 5148)]