21144888

素因数分解:

$2^3\times 3^5\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 60606000

約数和(自身を除く): 39461112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 81, 108, 146, 149, 162, 216, 219, 243, 292, 298, 324, 438, 447, 486, 584, 596, 648, 657, 876, 894, 972, 1192, 1314, 1341, 1752, 1788, 1944, 1971, 2628, 2682, 3576, 3942, 4023, 5256, 5364, 5913, 7884, 8046, 10728, 10877, 11826, 12069, 15768, 16092, 17739, 21754, 23652, 24138, 32184, 32631, 35478, 36207, 43508, 47304, 48276, 65262, 70956, 72414, 87016, 96552, 97893, 130524, 141912, 144828, 195786, 261048, 289656, 293679, 391572, 587358, 783144, 881037, 1174716, 1762074, 2349432, 2643111, 3524148, 5286222, 7048296, 10572444, 21144888]

約数ペア:

[(1, 21144888), (2, 10572444), (3, 7048296), (4, 5286222), (6, 3524148), (8, 2643111), (9, 2349432), (12, 1762074), (18, 1174716), (24, 881037), (27, 783144), (36, 587358), (54, 391572), (72, 293679), (73, 289656), (81, 261048), (108, 195786), (146, 144828), (149, 141912), (162, 130524), (216, 97893), (219, 96552), (243, 87016), (292, 72414), (298, 70956), (324, 65262), (438, 48276), (447, 47304), (486, 43508), (584, 36207), (596, 35478), (648, 32631), (657, 32184), (876, 24138), (894, 23652), (972, 21754), (1192, 17739), (1314, 16092), (1341, 15768), (1752, 12069), (1788, 11826), (1944, 10877), (1971, 10728), (2628, 8046), (2682, 7884), (3576, 5913), (3942, 5364), (4023, 5256)]