21021936320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19841}}^1$

素因数の和:19919

約数の個数: 224

約数和(自身を含む): 63865207296

約数和(自身を除く): 42843270976

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 43, 44, 55, 56, 64, 70, 77, 80, 86, 88, 110, 112, 140, 154, 160, 172, 176, 215, 220, 224, 280, 301, 308, 320, 344, 352, 385, 430, 440, 448, 473, 560, 602, 616, 688, 704, 770, 860, 880, 946, 1120, 1204, 1232, 1376, 1505, 1540, 1720, 1760, 1892, 2240, 2365, 2408, 2464, 2752, 3010, 3080, 3311, 3440, 3520, 3784, 4730, 4816, 4928, 6020, 6160, 6622, 6880, 7568, 9460, 9632, 12040, 12320, 13244, 13760, 15136, 16555, 18920, 19264, 19841, 24080, 24640, 26488, 30272, 33110, 37840, 39682, 48160, 52976, 66220, 75680, 79364, 96320, 99205, 105952, 132440, 138887, 151360, 158728, 198410, 211904, 218251, 264880, 277774, 317456, 396820, 436502, 529760, 555548, 634912, 694435, 793640, 853163, 873004, 1059520, 1091255, 1111096, 1269824, 1388870, 1527757, 1587280, 1706326, 1746008, 2182510, 2222192, 2777740, 3055514, 3174560, 3412652, 3492016, 4265815, 4365020, 4444384, 5555480, 5972141, 6111028, 6349120, 6825304, 6984032, 7638785, 8531630, 8730040, 8888768, 9384793, 11110960, 11944282, 12222056, 13650608, 13968064, 15277570, 17063260, 17460080, 18769586, 22221920, 23888564, 24444112, 27301216, 29860705, 30555140, 34126520, 34920160, 37539172, 44443840, 46923965, 47777128, 48888224, 54602432, 59721410, 61110280, 65693551, 68253040, 69840320, 75078344, 93847930, 95554256, 97776448, 119442820, 122220560, 131387102, 136506080, 150156688, 187695860, 191108512, 238885640, 244441120, 262774204, 273012160, 300313376, 328467755, 375391720, 382217024, 477771280, 488882240, 525548408, 600626752, 656935510, 750783440, 955542560, 1051096816, 1313871020, 1501566880, 1911085120, 2102193632, 2627742040, 3003133760, 4204387264, 5255484080, 10510968160, 21021936320]

約数ペア:

[(1, 21021936320), (2, 10510968160), (4, 5255484080), (5, 4204387264), (7, 3003133760), (8, 2627742040), (10, 2102193632), (11, 1911085120), (14, 1501566880), (16, 1313871020), (20, 1051096816), (22, 955542560), (28, 750783440), (32, 656935510), (35, 600626752), (40, 525548408), (43, 488882240), (44, 477771280), (55, 382217024), (56, 375391720), (64, 328467755), (70, 300313376), (77, 273012160), (80, 262774204), (86, 244441120), (88, 238885640), (110, 191108512), (112, 187695860), (140, 150156688), (154, 136506080), (160, 131387102), (172, 122220560), (176, 119442820), (215, 97776448), (220, 95554256), (224, 93847930), (280, 75078344), (301, 69840320), (308, 68253040), (320, 65693551), (344, 61110280), (352, 59721410), (385, 54602432), (430, 48888224), (440, 47777128), (448, 46923965), (473, 44443840), (560, 37539172), (602, 34920160), (616, 34126520), (688, 30555140), (704, 29860705), (770, 27301216), (860, 24444112), (880, 23888564), (946, 22221920), (1120, 18769586), (1204, 17460080), (1232, 17063260), (1376, 15277570), (1505, 13968064), (1540, 13650608), (1720, 12222056), (1760, 11944282), (1892, 11110960), (2240, 9384793), (2365, 8888768), (2408, 8730040), (2464, 8531630), (2752, 7638785), (3010, 6984032), (3080, 6825304), (3311, 6349120), (3440, 6111028), (3520, 5972141), (3784, 5555480), (4730, 4444384), (4816, 4365020), (4928, 4265815), (6020, 3492016), (6160, 3412652), (6622, 3174560), (6880, 3055514), (7568, 2777740), (9460, 2222192), (9632, 2182510), (12040, 1746008), (12320, 1706326), (13244, 1587280), (13760, 1527757), (15136, 1388870), (16555, 1269824), (18920, 1111096), (19264, 1091255), (19841, 1059520), (24080, 873004), (24640, 853163), (26488, 793640), (30272, 694435), (33110, 634912), (37840, 555548), (39682, 529760), (48160, 436502), (52976, 396820), (66220, 317456), (75680, 277774), (79364, 264880), (96320, 218251), (99205, 211904), (105952, 198410), (132440, 158728), (138887, 151360)]