21957221520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{6961}}^1$

素因数の和:7330

約数の個数: 240

約数和(自身を含む): 79659036912

約数和(自身を除く): 57701815392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 337, 360, 390, 468, 520, 585, 624, 674, 720, 780, 936, 1011, 1040, 1170, 1348, 1560, 1685, 1872, 2022, 2340, 2696, 3033, 3120, 3370, 4044, 4381, 4680, 5055, 5392, 6066, 6740, 6961, 8088, 8762, 9360, 10110, 12132, 13143, 13480, 13922, 15165, 16176, 17524, 20220, 20883, 21905, 24264, 26286, 26960, 27844, 30330, 34805, 35048, 39429, 40440, 41766, 43810, 48528, 52572, 55688, 60660, 62649, 65715, 69610, 70096, 78858, 80880, 83532, 87620, 90493, 104415, 105144, 111376, 121320, 125298, 131430, 139220, 157716, 167064, 175240, 180986, 197145, 208830, 210288, 242640, 250596, 262860, 271479, 278440, 313245, 315432, 334128, 350480, 361972, 394290, 417660, 452465, 501192, 525720, 542958, 556880, 626490, 630864, 723944, 788580, 814437, 835320, 904930, 1002384, 1051440, 1085916, 1252980, 1357395, 1447888, 1577160, 1628874, 1670640, 1809860, 2171832, 2345857, 2505960, 2714790, 3154320, 3257748, 3619720, 4072185, 4343664, 4691714, 5011920, 5429580, 6515496, 7037571, 7239440, 8144370, 9383428, 10859160, 11729285, 13030992, 14075142, 16288740, 18766856, 21112713, 21718320, 23458570, 28150284, 30496141, 32577480, 35187855, 37533712, 42225426, 46917140, 56300568, 60992282, 65154960, 70375710, 84450852, 91488423, 93834280, 105563565, 112601136, 121984564, 140751420, 152480705, 168901704, 182976846, 187668560, 211127130, 243969128, 274465269, 281502840, 304961410, 337803408, 365953692, 422254260, 457442115, 487938256, 548930538, 563005680, 609922820, 731907384, 844508520, 914884230, 1097861076, 1219845640, 1372326345, 1463814768, 1689017040, 1829768460, 2195722152, 2439691280, 2744652690, 3659536920, 4391444304, 5489305380, 7319073840, 10978610760, 21957221520]

約数ペア:

[(1, 21957221520), (2, 10978610760), (3, 7319073840), (4, 5489305380), (5, 4391444304), (6, 3659536920), (8, 2744652690), (9, 2439691280), (10, 2195722152), (12, 1829768460), (13, 1689017040), (15, 1463814768), (16, 1372326345), (18, 1219845640), (20, 1097861076), (24, 914884230), (26, 844508520), (30, 731907384), (36, 609922820), (39, 563005680), (40, 548930538), (45, 487938256), (48, 457442115), (52, 422254260), (60, 365953692), (65, 337803408), (72, 304961410), (78, 281502840), (80, 274465269), (90, 243969128), (104, 211127130), (117, 187668560), (120, 182976846), (130, 168901704), (144, 152480705), (156, 140751420), (180, 121984564), (195, 112601136), (208, 105563565), (234, 93834280), (240, 91488423), (260, 84450852), (312, 70375710), (337, 65154960), (360, 60992282), (390, 56300568), (468, 46917140), (520, 42225426), (585, 37533712), (624, 35187855), (674, 32577480), (720, 30496141), (780, 28150284), (936, 23458570), (1011, 21718320), (1040, 21112713), (1170, 18766856), (1348, 16288740), (1560, 14075142), (1685, 13030992), (1872, 11729285), (2022, 10859160), (2340, 9383428), (2696, 8144370), (3033, 7239440), (3120, 7037571), (3370, 6515496), (4044, 5429580), (4381, 5011920), (4680, 4691714), (5055, 4343664), (5392, 4072185), (6066, 3619720), (6740, 3257748), (6961, 3154320), (8088, 2714790), (8762, 2505960), (9360, 2345857), (10110, 2171832), (12132, 1809860), (13143, 1670640), (13480, 1628874), (13922, 1577160), (15165, 1447888), (16176, 1357395), (17524, 1252980), (20220, 1085916), (20883, 1051440), (21905, 1002384), (24264, 904930), (26286, 835320), (26960, 814437), (27844, 788580), (30330, 723944), (34805, 630864), (35048, 626490), (39429, 556880), (40440, 542958), (41766, 525720), (43810, 501192), (48528, 452465), (52572, 417660), (55688, 394290), (60660, 361972), (62649, 350480), (65715, 334128), (69610, 315432), (70096, 313245), (78858, 278440), (80880, 271479), (83532, 262860), (87620, 250596), (90493, 242640), (104415, 210288), (105144, 208830), (111376, 197145), (121320, 180986), (125298, 175240), (131430, 167064), (139220, 157716)]