21000228192

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{863}}^1\times {\mathrm{4447}}^1$

素因数の和:5345

約数の個数: 144

約数和(自身を含む): 62949519360

約数和(自身を除く): 41949291168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 863, 912, 1368, 1726, 1824, 2589, 2736, 3452, 4447, 5178, 5472, 6904, 7767, 8894, 10356, 13341, 13808, 15534, 16397, 17788, 20712, 26682, 27616, 31068, 32794, 35576, 40023, 41424, 49191, 53364, 62136, 65588, 71152, 80046, 82848, 84493, 98382, 106728, 124272, 131176, 142304, 147573, 160092, 168986, 196764, 213456, 248544, 253479, 262352, 295146, 320184, 337972, 393528, 426912, 506958, 524704, 590292, 640368, 675944, 760437, 787056, 1013916, 1180584, 1280736, 1351888, 1520874, 1574112, 2027832, 2361168, 2703776, 3041748, 3837761, 4055664, 4722336, 6083496, 7675522, 8111328, 11513283, 12166992, 15351044, 23026566, 24333984, 30702088, 34539849, 46053132, 61404176, 69079698, 72917459, 92106264, 122808352, 138159396, 145834918, 184212528, 218752377, 276318792, 291669836, 368425056, 437504754, 552637584, 583339672, 656257131, 875009508, 1105275168, 1166679344, 1312514262, 1750019016, 2333358688, 2625028524, 3500038032, 5250057048, 7000076064, 10500114096, 21000228192]

約数ペア:

[(1, 21000228192), (2, 10500114096), (3, 7000076064), (4, 5250057048), (6, 3500038032), (8, 2625028524), (9, 2333358688), (12, 1750019016), (16, 1312514262), (18, 1166679344), (19, 1105275168), (24, 875009508), (32, 656257131), (36, 583339672), (38, 552637584), (48, 437504754), (57, 368425056), (72, 291669836), (76, 276318792), (96, 218752377), (114, 184212528), (144, 145834918), (152, 138159396), (171, 122808352), (228, 92106264), (288, 72917459), (304, 69079698), (342, 61404176), (456, 46053132), (608, 34539849), (684, 30702088), (863, 24333984), (912, 23026566), (1368, 15351044), (1726, 12166992), (1824, 11513283), (2589, 8111328), (2736, 7675522), (3452, 6083496), (4447, 4722336), (5178, 4055664), (5472, 3837761), (6904, 3041748), (7767, 2703776), (8894, 2361168), (10356, 2027832), (13341, 1574112), (13808, 1520874), (15534, 1351888), (16397, 1280736), (17788, 1180584), (20712, 1013916), (26682, 787056), (27616, 760437), (31068, 675944), (32794, 640368), (35576, 590292), (40023, 524704), (41424, 506958), (49191, 426912), (53364, 393528), (62136, 337972), (65588, 320184), (71152, 295146), (80046, 262352), (82848, 253479), (84493, 248544), (98382, 213456), (106728, 196764), (124272, 168986), (131176, 160092), (142304, 147573)]