21898240

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:92

約数の個数: 176

約数和(自身を含む): 66028032

約数和(自身を除く): 44129792

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 47, 52, 56, 64, 65, 70, 80, 91, 94, 104, 112, 128, 130, 140, 160, 182, 188, 208, 224, 235, 256, 260, 280, 320, 329, 364, 376, 416, 448, 455, 470, 512, 520, 560, 611, 640, 658, 728, 752, 832, 896, 910, 940, 1024, 1040, 1120, 1222, 1280, 1316, 1456, 1504, 1645, 1664, 1792, 1820, 1880, 2080, 2240, 2444, 2560, 2632, 2912, 3008, 3055, 3290, 3328, 3584, 3640, 3760, 4160, 4277, 4480, 4888, 5120, 5264, 5824, 6016, 6110, 6580, 6656, 7168, 7280, 7520, 8320, 8554, 8960, 9776, 10528, 11648, 12032, 12220, 13160, 13312, 14560, 15040, 16640, 17108, 17920, 19552, 21056, 21385, 23296, 24064, 24440, 26320, 29120, 30080, 33280, 34216, 35840, 39104, 42112, 42770, 46592, 48128, 48880, 52640, 58240, 60160, 66560, 68432, 78208, 84224, 85540, 93184, 97760, 105280, 116480, 120320, 136864, 156416, 168448, 171080, 195520, 210560, 232960, 240640, 273728, 312832, 336896, 342160, 391040, 421120, 465920, 547456, 625664, 684320, 782080, 842240, 1094912, 1368640, 1564160, 1684480, 2189824, 2737280, 3128320, 4379648, 5474560, 10949120, 21898240]

約数ペア:

[(1, 21898240), (2, 10949120), (4, 5474560), (5, 4379648), (7, 3128320), (8, 2737280), (10, 2189824), (13, 1684480), (14, 1564160), (16, 1368640), (20, 1094912), (26, 842240), (28, 782080), (32, 684320), (35, 625664), (40, 547456), (47, 465920), (52, 421120), (56, 391040), (64, 342160), (65, 336896), (70, 312832), (80, 273728), (91, 240640), (94, 232960), (104, 210560), (112, 195520), (128, 171080), (130, 168448), (140, 156416), (160, 136864), (182, 120320), (188, 116480), (208, 105280), (224, 97760), (235, 93184), (256, 85540), (260, 84224), (280, 78208), (320, 68432), (329, 66560), (364, 60160), (376, 58240), (416, 52640), (448, 48880), (455, 48128), (470, 46592), (512, 42770), (520, 42112), (560, 39104), (611, 35840), (640, 34216), (658, 33280), (728, 30080), (752, 29120), (832, 26320), (896, 24440), (910, 24064), (940, 23296), (1024, 21385), (1040, 21056), (1120, 19552), (1222, 17920), (1280, 17108), (1316, 16640), (1456, 15040), (1504, 14560), (1645, 13312), (1664, 13160), (1792, 12220), (1820, 12032), (1880, 11648), (2080, 10528), (2240, 9776), (2444, 8960), (2560, 8554), (2632, 8320), (2912, 7520), (3008, 7280), (3055, 7168), (3290, 6656), (3328, 6580), (3584, 6110), (3640, 6016), (3760, 5824), (4160, 5264), (4277, 5120), (4480, 4888)]