21395084544

素因数分解:

$2^8\times 3^2\times {\mathrm{29}}^1\times {\mathrm{320209}}^1$

素因数の和:320260

約数の個数: 108

約数和(自身を含む): 63814650900

約数和(自身を除く): 42419566356

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 128, 144, 174, 192, 232, 256, 261, 288, 348, 384, 464, 522, 576, 696, 768, 928, 1044, 1152, 1392, 1856, 2088, 2304, 2784, 3712, 4176, 5568, 7424, 8352, 11136, 16704, 22272, 33408, 66816, 320209, 640418, 960627, 1280836, 1921254, 2561672, 2881881, 3842508, 5123344, 5763762, 7685016, 9286061, 10246688, 11527524, 15370032, 18572122, 20493376, 23055048, 27858183, 30740064, 37144244, 40986752, 46110096, 55716366, 61480128, 74288488, 81973504, 83574549, 92220192, 111432732, 122960256, 148576976, 167149098, 184440384, 222865464, 245920512, 297153952, 334298196, 368880768, 445730928, 594307904, 668596392, 737761536, 891461856, 1188615808, 1337192784, 1782923712, 2377231616, 2674385568, 3565847424, 5348771136, 7131694848, 10697542272, 21395084544]

約数ペア:

[(1, 21395084544), (2, 10697542272), (3, 7131694848), (4, 5348771136), (6, 3565847424), (8, 2674385568), (9, 2377231616), (12, 1782923712), (16, 1337192784), (18, 1188615808), (24, 891461856), (29, 737761536), (32, 668596392), (36, 594307904), (48, 445730928), (58, 368880768), (64, 334298196), (72, 297153952), (87, 245920512), (96, 222865464), (116, 184440384), (128, 167149098), (144, 148576976), (174, 122960256), (192, 111432732), (232, 92220192), (256, 83574549), (261, 81973504), (288, 74288488), (348, 61480128), (384, 55716366), (464, 46110096), (522, 40986752), (576, 37144244), (696, 30740064), (768, 27858183), (928, 23055048), (1044, 20493376), (1152, 18572122), (1392, 15370032), (1856, 11527524), (2088, 10246688), (2304, 9286061), (2784, 7685016), (3712, 5763762), (4176, 5123344), (5568, 3842508), (7424, 2881881), (8352, 2561672), (11136, 1921254), (16704, 1280836), (22272, 960627), (33408, 640418), (66816, 320209)]