21033415040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:809

約数の個数: 256

約数和(自身を含む): 56578176000

約数和(自身を除く): 35544760960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 59, 64, 79, 80, 88, 110, 118, 128, 158, 160, 176, 220, 236, 295, 316, 320, 352, 395, 440, 472, 590, 632, 640, 641, 649, 704, 790, 869, 880, 944, 1180, 1264, 1282, 1298, 1408, 1580, 1738, 1760, 1888, 2360, 2528, 2564, 2596, 3160, 3205, 3245, 3476, 3520, 3776, 4345, 4661, 4720, 5056, 5128, 5192, 6320, 6410, 6490, 6952, 7040, 7051, 7552, 8690, 9322, 9440, 10112, 10256, 10384, 12640, 12820, 12980, 13904, 14102, 17380, 18644, 18880, 20512, 20768, 23305, 25280, 25640, 25960, 27808, 28204, 34760, 35255, 37288, 37760, 37819, 41024, 41536, 46610, 50560, 50639, 51271, 51280, 51920, 55616, 56408, 69520, 70510, 74576, 75638, 82048, 83072, 93220, 101278, 102542, 102560, 103840, 111232, 112816, 139040, 141020, 149152, 151276, 186440, 189095, 202556, 205084, 205120, 207680, 225632, 253195, 256355, 278080, 282040, 298304, 302552, 372880, 378190, 405112, 410168, 410240, 415360, 416009, 451264, 506390, 512710, 556160, 557029, 564080, 596608, 605104, 745760, 756380, 810224, 820336, 832018, 902528, 1012780, 1025420, 1114058, 1128160, 1210208, 1491520, 1512760, 1620448, 1640672, 1664036, 2025560, 2050840, 2080045, 2228116, 2256320, 2420416, 2785145, 2983040, 2987701, 3025520, 3240896, 3281344, 3328072, 4051120, 4101680, 4160090, 4456232, 4512640, 4840832, 5570290, 5975402, 6051040, 6481792, 6562688, 6656144, 8102240, 8203360, 8320180, 8912464, 11140580, 11950804, 12102080, 13312288, 14938505, 16204480, 16406720, 16640360, 17824928, 22281160, 23901608, 24204160, 26624576, 29877010, 32408960, 32813440, 32864711, 33280720, 35649856, 44562320, 47803216, 53249152, 59754020, 65729422, 66561440, 71299712, 89124640, 95606432, 119508040, 131458844, 133122880, 164323555, 178249280, 191212864, 239016080, 262917688, 266245760, 328647110, 356498560, 382425728, 478032160, 525835376, 657294220, 956064320, 1051670752, 1314588440, 1912128640, 2103341504, 2629176880, 4206683008, 5258353760, 10516707520, 21033415040]

約数ペア:

[(1, 21033415040), (2, 10516707520), (4, 5258353760), (5, 4206683008), (8, 2629176880), (10, 2103341504), (11, 1912128640), (16, 1314588440), (20, 1051670752), (22, 956064320), (32, 657294220), (40, 525835376), (44, 478032160), (55, 382425728), (59, 356498560), (64, 328647110), (79, 266245760), (80, 262917688), (88, 239016080), (110, 191212864), (118, 178249280), (128, 164323555), (158, 133122880), (160, 131458844), (176, 119508040), (220, 95606432), (236, 89124640), (295, 71299712), (316, 66561440), (320, 65729422), (352, 59754020), (395, 53249152), (440, 47803216), (472, 44562320), (590, 35649856), (632, 33280720), (640, 32864711), (641, 32813440), (649, 32408960), (704, 29877010), (790, 26624576), (869, 24204160), (880, 23901608), (944, 22281160), (1180, 17824928), (1264, 16640360), (1282, 16406720), (1298, 16204480), (1408, 14938505), (1580, 13312288), (1738, 12102080), (1760, 11950804), (1888, 11140580), (2360, 8912464), (2528, 8320180), (2564, 8203360), (2596, 8102240), (3160, 6656144), (3205, 6562688), (3245, 6481792), (3476, 6051040), (3520, 5975402), (3776, 5570290), (4345, 4840832), (4661, 4512640), (4720, 4456232), (5056, 4160090), (5128, 4101680), (5192, 4051120), (6320, 3328072), (6410, 3281344), (6490, 3240896), (6952, 3025520), (7040, 2987701), (7051, 2983040), (7552, 2785145), (8690, 2420416), (9322, 2256320), (9440, 2228116), (10112, 2080045), (10256, 2050840), (10384, 2025560), (12640, 1664036), (12820, 1640672), (12980, 1620448), (13904, 1512760), (14102, 1491520), (17380, 1210208), (18644, 1128160), (18880, 1114058), (20512, 1025420), (20768, 1012780), (23305, 902528), (25280, 832018), (25640, 820336), (25960, 810224), (27808, 756380), (28204, 745760), (34760, 605104), (35255, 596608), (37288, 564080), (37760, 557029), (37819, 556160), (41024, 512710), (41536, 506390), (46610, 451264), (50560, 416009), (50639, 415360), (51271, 410240), (51280, 410168), (51920, 405112), (55616, 378190), (56408, 372880), (69520, 302552), (70510, 298304), (74576, 282040), (75638, 278080), (82048, 256355), (83072, 253195), (93220, 225632), (101278, 207680), (102542, 205120), (102560, 205084), (103840, 202556), (111232, 189095), (112816, 186440), (139040, 151276), (141020, 149152)]