21100000656

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1279}}^1\times {\mathrm{1327}}^1$

素因数の和:2661

約数の個数: 160

約数和(自身を含む): 64077168640

約数和(自身を除く): 42977167984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1279, 1327, 1554, 1776, 2072, 2558, 2654, 3108, 3837, 3981, 4144, 5116, 5308, 6216, 7674, 7962, 8953, 9289, 10232, 10616, 12432, 15348, 15924, 17906, 18578, 20464, 21232, 26859, 27867, 30696, 31848, 35812, 37156, 47323, 49099, 53718, 55734, 61392, 63696, 71624, 74312, 94646, 98198, 107436, 111468, 141969, 143248, 147297, 148624, 189292, 196396, 214872, 222936, 283938, 294594, 331261, 343693, 378584, 392792, 429744, 445872, 567876, 589188, 662522, 687386, 757168, 785584, 993783, 1031079, 1135752, 1178376, 1325044, 1374772, 1697233, 1987566, 2062158, 2271504, 2356752, 2650088, 2749544, 3394466, 3975132, 4124316, 5091699, 5300176, 5499088, 6788932, 7950264, 8248632, 10183398, 11880631, 13577864, 15900528, 16497264, 20366796, 23761262, 27155728, 35641893, 40733592, 47522524, 62797621, 71283786, 81467184, 95045048, 125595242, 142567572, 188392863, 190090096, 251190484, 285135144, 376785726, 439583347, 502380968, 570270288, 753571452, 879166694, 1004761936, 1318750041, 1507142904, 1758333388, 2637500082, 3014285808, 3516666776, 5275000164, 7033333552, 10550000328, 21100000656]

約数ペア:

[(1, 21100000656), (2, 10550000328), (3, 7033333552), (4, 5275000164), (6, 3516666776), (7, 3014285808), (8, 2637500082), (12, 1758333388), (14, 1507142904), (16, 1318750041), (21, 1004761936), (24, 879166694), (28, 753571452), (37, 570270288), (42, 502380968), (48, 439583347), (56, 376785726), (74, 285135144), (84, 251190484), (111, 190090096), (112, 188392863), (148, 142567572), (168, 125595242), (222, 95045048), (259, 81467184), (296, 71283786), (336, 62797621), (444, 47522524), (518, 40733592), (592, 35641893), (777, 27155728), (888, 23761262), (1036, 20366796), (1279, 16497264), (1327, 15900528), (1554, 13577864), (1776, 11880631), (2072, 10183398), (2558, 8248632), (2654, 7950264), (3108, 6788932), (3837, 5499088), (3981, 5300176), (4144, 5091699), (5116, 4124316), (5308, 3975132), (6216, 3394466), (7674, 2749544), (7962, 2650088), (8953, 2356752), (9289, 2271504), (10232, 2062158), (10616, 1987566), (12432, 1697233), (15348, 1374772), (15924, 1325044), (17906, 1178376), (18578, 1135752), (20464, 1031079), (21232, 993783), (26859, 785584), (27867, 757168), (30696, 687386), (31848, 662522), (35812, 589188), (37156, 567876), (47323, 445872), (49099, 429744), (53718, 392792), (55734, 378584), (61392, 343693), (63696, 331261), (71624, 294594), (74312, 283938), (94646, 222936), (98198, 214872), (107436, 196396), (111468, 189292), (141969, 148624), (143248, 147297)]