21249312

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:430

約数の個数: 96

約数和(自身を含む): 64576512

約数和(自身を除く): 43327200

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 103, 112, 168, 206, 224, 307, 309, 336, 412, 614, 618, 672, 721, 824, 921, 1228, 1236, 1442, 1648, 1842, 2149, 2163, 2456, 2472, 2884, 3296, 3684, 4298, 4326, 4912, 4944, 5768, 6447, 7368, 8596, 8652, 9824, 9888, 11536, 12894, 14736, 17192, 17304, 23072, 25788, 29472, 31621, 34384, 34608, 51576, 63242, 68768, 69216, 94863, 103152, 126484, 189726, 206304, 221347, 252968, 379452, 442694, 505936, 664041, 758904, 885388, 1011872, 1328082, 1517808, 1770776, 2656164, 3035616, 3541552, 5312328, 7083104, 10624656, 21249312]

約数ペア:

[(1, 21249312), (2, 10624656), (3, 7083104), (4, 5312328), (6, 3541552), (7, 3035616), (8, 2656164), (12, 1770776), (14, 1517808), (16, 1328082), (21, 1011872), (24, 885388), (28, 758904), (32, 664041), (42, 505936), (48, 442694), (56, 379452), (84, 252968), (96, 221347), (103, 206304), (112, 189726), (168, 126484), (206, 103152), (224, 94863), (307, 69216), (309, 68768), (336, 63242), (412, 51576), (614, 34608), (618, 34384), (672, 31621), (721, 29472), (824, 25788), (921, 23072), (1228, 17304), (1236, 17192), (1442, 14736), (1648, 12894), (1842, 11536), (2149, 9888), (2163, 9824), (2456, 8652), (2472, 8596), (2884, 7368), (3296, 6447), (3684, 5768), (4298, 4944), (4326, 4912)]