21138048

素因数分解:

$2^7\times 3^2\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 62056800

約数和(自身を除く): 40918752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 64, 72, 96, 118, 128, 144, 177, 192, 236, 288, 311, 354, 384, 472, 531, 576, 622, 708, 933, 944, 1062, 1152, 1244, 1416, 1866, 1888, 2124, 2488, 2799, 2832, 3732, 3776, 4248, 4976, 5598, 5664, 7464, 7552, 8496, 9952, 11196, 11328, 14928, 16992, 18349, 19904, 22392, 22656, 29856, 33984, 36698, 39808, 44784, 55047, 59712, 67968, 73396, 89568, 110094, 119424, 146792, 165141, 179136, 220188, 293584, 330282, 358272, 440376, 587168, 660564, 880752, 1174336, 1321128, 1761504, 2348672, 2642256, 3523008, 5284512, 7046016, 10569024, 21138048]

約数ペア:

[(1, 21138048), (2, 10569024), (3, 7046016), (4, 5284512), (6, 3523008), (8, 2642256), (9, 2348672), (12, 1761504), (16, 1321128), (18, 1174336), (24, 880752), (32, 660564), (36, 587168), (48, 440376), (59, 358272), (64, 330282), (72, 293584), (96, 220188), (118, 179136), (128, 165141), (144, 146792), (177, 119424), (192, 110094), (236, 89568), (288, 73396), (311, 67968), (354, 59712), (384, 55047), (472, 44784), (531, 39808), (576, 36698), (622, 33984), (708, 29856), (933, 22656), (944, 22392), (1062, 19904), (1152, 18349), (1244, 16992), (1416, 14928), (1866, 11328), (1888, 11196), (2124, 9952), (2488, 8496), (2799, 7552), (2832, 7464), (3732, 5664), (3776, 5598), (4248, 4976)]