21425664

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:100

約数の個数: 160

約数和(自身を含む): 65308320

約数和(自身を除く): 43882656

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 32, 37, 39, 48, 52, 58, 64, 74, 78, 87, 96, 104, 111, 116, 128, 148, 156, 174, 192, 208, 222, 232, 256, 296, 312, 348, 377, 384, 416, 444, 464, 481, 512, 592, 624, 696, 754, 768, 832, 888, 928, 962, 1073, 1131, 1184, 1248, 1392, 1443, 1508, 1536, 1664, 1776, 1856, 1924, 2146, 2262, 2368, 2496, 2784, 2886, 3016, 3219, 3328, 3552, 3712, 3848, 4292, 4524, 4736, 4992, 5568, 5772, 6032, 6438, 6656, 7104, 7424, 7696, 8584, 9048, 9472, 9984, 11136, 11544, 12064, 12876, 13949, 14208, 14848, 15392, 17168, 18096, 18944, 19968, 22272, 23088, 24128, 25752, 27898, 28416, 30784, 34336, 36192, 41847, 44544, 46176, 48256, 51504, 55796, 56832, 61568, 68672, 72384, 83694, 92352, 96512, 103008, 111592, 123136, 137344, 144768, 167388, 184704, 193024, 206016, 223184, 246272, 274688, 289536, 334776, 369408, 412032, 446368, 549376, 579072, 669552, 738816, 824064, 892736, 1339104, 1648128, 1785472, 2678208, 3570944, 5356416, 7141888, 10712832, 21425664]

約数ペア:

[(1, 21425664), (2, 10712832), (3, 7141888), (4, 5356416), (6, 3570944), (8, 2678208), (12, 1785472), (13, 1648128), (16, 1339104), (24, 892736), (26, 824064), (29, 738816), (32, 669552), (37, 579072), (39, 549376), (48, 446368), (52, 412032), (58, 369408), (64, 334776), (74, 289536), (78, 274688), (87, 246272), (96, 223184), (104, 206016), (111, 193024), (116, 184704), (128, 167388), (148, 144768), (156, 137344), (174, 123136), (192, 111592), (208, 103008), (222, 96512), (232, 92352), (256, 83694), (296, 72384), (312, 68672), (348, 61568), (377, 56832), (384, 55796), (416, 51504), (444, 48256), (464, 46176), (481, 44544), (512, 41847), (592, 36192), (624, 34336), (696, 30784), (754, 28416), (768, 27898), (832, 25752), (888, 24128), (928, 23088), (962, 22272), (1073, 19968), (1131, 18944), (1184, 18096), (1248, 17168), (1392, 15392), (1443, 14848), (1508, 14208), (1536, 13949), (1664, 12876), (1776, 12064), (1856, 11544), (1924, 11136), (2146, 9984), (2262, 9472), (2368, 9048), (2496, 8584), (2784, 7696), (2886, 7424), (3016, 7104), (3219, 6656), (3328, 6438), (3552, 6032), (3712, 5772), (3848, 5568), (4292, 4992), (4524, 4736)]