21961030320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1\times {\mathrm{1193}}^1$

素因数の和:1940

約数の個数: 240

約数和(自身を含む): 75918971232

約数和(自身を除く): 53957940912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 691, 720, 740, 888, 1110, 1193, 1332, 1382, 1480, 1665, 1776, 2073, 2220, 2386, 2664, 2764, 2960, 3330, 3455, 3579, 4146, 4440, 4772, 5328, 5528, 5965, 6219, 6660, 6910, 7158, 8292, 8880, 9544, 10365, 10737, 11056, 11930, 12438, 13320, 13820, 14316, 16584, 17895, 19088, 20730, 21474, 23860, 24876, 25567, 26640, 27640, 28632, 31095, 33168, 35790, 41460, 42948, 44141, 47720, 49752, 51134, 53685, 55280, 57264, 62190, 71580, 76701, 82920, 85896, 88282, 95440, 99504, 102268, 107370, 124380, 127835, 132423, 143160, 153402, 165840, 171792, 176564, 204536, 214740, 220705, 230103, 248760, 255670, 264846, 286320, 306804, 353128, 383505, 397269, 409072, 429480, 441410, 460206, 497520, 511340, 529692, 613608, 662115, 706256, 767010, 794538, 824363, 858960, 882820, 920412, 1022680, 1059384, 1150515, 1227216, 1324230, 1534020, 1589076, 1648726, 1765640, 1840824, 1986345, 2045360, 2118768, 2301030, 2473089, 2648460, 3068040, 3178152, 3297452, 3531280, 3681648, 3972690, 4121815, 4602060, 4946178, 5296920, 6136080, 6356304, 6594904, 7419267, 7945380, 8243630, 9204120, 9892356, 10593840, 12365445, 13189808, 14838534, 15890760, 16487260, 18408240, 19784712, 24730890, 29677068, 30501431, 31781520, 32974520, 37096335, 39569424, 49461780, 59354136, 61002862, 65949040, 74192670, 91504293, 98923560, 118708272, 122005724, 148385340, 152507155, 183008586, 197847120, 244011448, 274512879, 296770680, 305014310, 366017172, 457521465, 488022896, 549025758, 593541360, 610028620, 732034344, 915042930, 1098051516, 1220057240, 1372564395, 1464068688, 1830085860, 2196103032, 2440114480, 2745128790, 3660171720, 4392206064, 5490257580, 7320343440, 10980515160, 21961030320]

約数ペア:

[(1, 21961030320), (2, 10980515160), (3, 7320343440), (4, 5490257580), (5, 4392206064), (6, 3660171720), (8, 2745128790), (9, 2440114480), (10, 2196103032), (12, 1830085860), (15, 1464068688), (16, 1372564395), (18, 1220057240), (20, 1098051516), (24, 915042930), (30, 732034344), (36, 610028620), (37, 593541360), (40, 549025758), (45, 488022896), (48, 457521465), (60, 366017172), (72, 305014310), (74, 296770680), (80, 274512879), (90, 244011448), (111, 197847120), (120, 183008586), (144, 152507155), (148, 148385340), (180, 122005724), (185, 118708272), (222, 98923560), (240, 91504293), (296, 74192670), (333, 65949040), (360, 61002862), (370, 59354136), (444, 49461780), (555, 39569424), (592, 37096335), (666, 32974520), (691, 31781520), (720, 30501431), (740, 29677068), (888, 24730890), (1110, 19784712), (1193, 18408240), (1332, 16487260), (1382, 15890760), (1480, 14838534), (1665, 13189808), (1776, 12365445), (2073, 10593840), (2220, 9892356), (2386, 9204120), (2664, 8243630), (2764, 7945380), (2960, 7419267), (3330, 6594904), (3455, 6356304), (3579, 6136080), (4146, 5296920), (4440, 4946178), (4772, 4602060), (5328, 4121815), (5528, 3972690), (5965, 3681648), (6219, 3531280), (6660, 3297452), (6910, 3178152), (7158, 3068040), (8292, 2648460), (8880, 2473089), (9544, 2301030), (10365, 2118768), (10737, 2045360), (11056, 1986345), (11930, 1840824), (12438, 1765640), (13320, 1648726), (13820, 1589076), (14316, 1534020), (16584, 1324230), (17895, 1227216), (19088, 1150515), (20730, 1059384), (21474, 1022680), (23860, 920412), (24876, 882820), (25567, 858960), (26640, 824363), (27640, 794538), (28632, 767010), (31095, 706256), (33168, 662115), (35790, 613608), (41460, 529692), (42948, 511340), (44141, 497520), (47720, 460206), (49752, 441410), (51134, 429480), (53685, 409072), (55280, 397269), (57264, 383505), (62190, 353128), (71580, 306804), (76701, 286320), (82920, 264846), (85896, 255670), (88282, 248760), (95440, 230103), (99504, 220705), (102268, 214740), (107370, 204536), (124380, 176564), (127835, 171792), (132423, 165840), (143160, 153402)]