21491767584

素因数分解:

$2^5\times 3^5\times 7^1\times {\mathrm{394837}}^1$

素因数の和:394869

約数の個数: 144

約数和(自身を含む): 72435400128

約数和(自身を除く): 50943632544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 243, 252, 288, 324, 336, 378, 432, 486, 504, 567, 648, 672, 756, 864, 972, 1008, 1134, 1296, 1512, 1701, 1944, 2016, 2268, 2592, 3024, 3402, 3888, 4536, 6048, 6804, 7776, 9072, 13608, 18144, 27216, 54432, 394837, 789674, 1184511, 1579348, 2369022, 2763859, 3158696, 3553533, 4738044, 5527718, 6317392, 7107066, 8291577, 9476088, 10660599, 11055436, 12634784, 14214132, 16583154, 18952176, 21321198, 22110872, 24874731, 28428264, 31981797, 33166308, 37904352, 42642396, 44221744, 49749462, 56856528, 63963594, 66332616, 74624193, 85284792, 88443488, 95945391, 99498924, 113713056, 127927188, 132665232, 149248386, 170569584, 191890782, 198997848, 223872579, 255854376, 265330464, 298496772, 341139168, 383781564, 397995696, 447745158, 511708752, 596993544, 671617737, 767563128, 795991392, 895490316, 1023417504, 1193987088, 1343235474, 1535126256, 1790980632, 2387974176, 2686470948, 3070252512, 3581961264, 5372941896, 7163922528, 10745883792, 21491767584]

約数ペア:

[(1, 21491767584), (2, 10745883792), (3, 7163922528), (4, 5372941896), (6, 3581961264), (7, 3070252512), (8, 2686470948), (9, 2387974176), (12, 1790980632), (14, 1535126256), (16, 1343235474), (18, 1193987088), (21, 1023417504), (24, 895490316), (27, 795991392), (28, 767563128), (32, 671617737), (36, 596993544), (42, 511708752), (48, 447745158), (54, 397995696), (56, 383781564), (63, 341139168), (72, 298496772), (81, 265330464), (84, 255854376), (96, 223872579), (108, 198997848), (112, 191890782), (126, 170569584), (144, 149248386), (162, 132665232), (168, 127927188), (189, 113713056), (216, 99498924), (224, 95945391), (243, 88443488), (252, 85284792), (288, 74624193), (324, 66332616), (336, 63963594), (378, 56856528), (432, 49749462), (486, 44221744), (504, 42642396), (567, 37904352), (648, 33166308), (672, 31981797), (756, 28428264), (864, 24874731), (972, 22110872), (1008, 21321198), (1134, 18952176), (1296, 16583154), (1512, 14214132), (1701, 12634784), (1944, 11055436), (2016, 10660599), (2268, 9476088), (2592, 8291577), (3024, 7107066), (3402, 6317392), (3888, 5527718), (4536, 4738044), (6048, 3553533), (6804, 3158696), (7776, 2763859), (9072, 2369022), (13608, 1579348), (18144, 1184511), (27216, 789674), (54432, 394837)]