21327680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:184

約数の個数: 112

約数和(自身を含む): 56839104

約数和(自身を除く): 35511424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 73, 80, 83, 88, 110, 146, 160, 166, 176, 220, 292, 320, 332, 352, 365, 415, 440, 584, 664, 704, 730, 803, 830, 880, 913, 1168, 1328, 1460, 1606, 1660, 1760, 1826, 2336, 2656, 2920, 3212, 3320, 3520, 3652, 4015, 4565, 4672, 5312, 5840, 6059, 6424, 6640, 7304, 8030, 9130, 11680, 12118, 12848, 13280, 14608, 16060, 18260, 23360, 24236, 25696, 26560, 29216, 30295, 32120, 36520, 48472, 51392, 58432, 60590, 64240, 66649, 73040, 96944, 121180, 128480, 133298, 146080, 193888, 242360, 256960, 266596, 292160, 333245, 387776, 484720, 533192, 666490, 969440, 1066384, 1332980, 1938880, 2132768, 2665960, 4265536, 5331920, 10663840, 21327680]

約数ペア:

[(1, 21327680), (2, 10663840), (4, 5331920), (5, 4265536), (8, 2665960), (10, 2132768), (11, 1938880), (16, 1332980), (20, 1066384), (22, 969440), (32, 666490), (40, 533192), (44, 484720), (55, 387776), (64, 333245), (73, 292160), (80, 266596), (83, 256960), (88, 242360), (110, 193888), (146, 146080), (160, 133298), (166, 128480), (176, 121180), (220, 96944), (292, 73040), (320, 66649), (332, 64240), (352, 60590), (365, 58432), (415, 51392), (440, 48472), (584, 36520), (664, 32120), (704, 30295), (730, 29216), (803, 26560), (830, 25696), (880, 24236), (913, 23360), (1168, 18260), (1328, 16060), (1460, 14608), (1606, 13280), (1660, 12848), (1760, 12118), (1826, 11680), (2336, 9130), (2656, 8030), (2920, 7304), (3212, 6640), (3320, 6424), (3520, 6059), (3652, 5840), (4015, 5312), (4565, 4672)]