21945504

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 70555968

約数和(自身を除く): 48610464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 68, 84, 96, 102, 112, 113, 119, 136, 168, 204, 224, 226, 238, 272, 289, 336, 339, 357, 408, 452, 476, 544, 578, 672, 678, 714, 791, 816, 867, 904, 952, 1156, 1356, 1428, 1582, 1632, 1734, 1808, 1904, 1921, 2023, 2312, 2373, 2712, 2856, 3164, 3468, 3616, 3808, 3842, 4046, 4624, 4746, 5424, 5712, 5763, 6069, 6328, 6936, 7684, 8092, 9248, 9492, 10848, 11424, 11526, 12138, 12656, 13447, 13872, 15368, 16184, 18984, 23052, 24276, 25312, 26894, 27744, 30736, 32368, 32657, 37968, 40341, 46104, 48552, 53788, 61472, 64736, 65314, 75936, 80682, 92208, 97104, 97971, 107576, 130628, 161364, 184416, 194208, 195942, 215152, 228599, 261256, 322728, 391884, 430304, 457198, 522512, 645456, 685797, 783768, 914396, 1045024, 1290912, 1371594, 1567536, 1828792, 2743188, 3135072, 3657584, 5486376, 7315168, 10972752, 21945504]

約数ペア:

[(1, 21945504), (2, 10972752), (3, 7315168), (4, 5486376), (6, 3657584), (7, 3135072), (8, 2743188), (12, 1828792), (14, 1567536), (16, 1371594), (17, 1290912), (21, 1045024), (24, 914396), (28, 783768), (32, 685797), (34, 645456), (42, 522512), (48, 457198), (51, 430304), (56, 391884), (68, 322728), (84, 261256), (96, 228599), (102, 215152), (112, 195942), (113, 194208), (119, 184416), (136, 161364), (168, 130628), (204, 107576), (224, 97971), (226, 97104), (238, 92208), (272, 80682), (289, 75936), (336, 65314), (339, 64736), (357, 61472), (408, 53788), (452, 48552), (476, 46104), (544, 40341), (578, 37968), (672, 32657), (678, 32368), (714, 30736), (791, 27744), (816, 26894), (867, 25312), (904, 24276), (952, 23052), (1156, 18984), (1356, 16184), (1428, 15368), (1582, 13872), (1632, 13447), (1734, 12656), (1808, 12138), (1904, 11526), (1921, 11424), (2023, 10848), (2312, 9492), (2373, 9248), (2712, 8092), (2856, 7684), (3164, 6936), (3468, 6328), (3616, 6069), (3808, 5763), (3842, 5712), (4046, 5424), (4624, 4746)]