21336379920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{15671}}^1$

素因数の和:15782

約数の個数: 240

約数和(自身を含む): 75183473664

約数和(自身を除く): 53847093744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 61, 62, 72, 80, 90, 93, 120, 122, 124, 144, 155, 180, 183, 186, 240, 244, 248, 279, 305, 310, 360, 366, 372, 465, 488, 496, 549, 558, 610, 620, 720, 732, 744, 915, 930, 976, 1098, 1116, 1220, 1240, 1395, 1464, 1488, 1830, 1860, 1891, 2196, 2232, 2440, 2480, 2745, 2790, 2928, 3660, 3720, 3782, 4392, 4464, 4880, 5490, 5580, 5673, 7320, 7440, 7564, 8784, 9455, 10980, 11160, 11346, 14640, 15128, 15671, 17019, 18910, 21960, 22320, 22692, 28365, 30256, 31342, 34038, 37820, 43920, 45384, 47013, 56730, 62684, 68076, 75640, 78355, 85095, 90768, 94026, 113460, 125368, 136152, 141039, 151280, 156710, 170190, 188052, 226920, 235065, 250736, 272304, 282078, 313420, 340380, 376104, 453840, 470130, 485801, 564156, 626840, 680760, 705195, 752208, 940260, 955931, 971602, 1128312, 1253680, 1361520, 1410390, 1457403, 1880520, 1911862, 1943204, 2256624, 2429005, 2820780, 2867793, 2914806, 3761040, 3823724, 3886408, 4372209, 4779655, 4858010, 5641560, 5735586, 5829612, 7287015, 7647448, 7772816, 8603379, 8744418, 9559310, 9716020, 11283120, 11471172, 11659224, 14338965, 14574030, 15294896, 17206758, 17488836, 19118620, 19432040, 21861045, 22942344, 23318448, 28677930, 29148060, 29633861, 34413516, 34977672, 38237240, 38864080, 43016895, 43722090, 45884688, 57355860, 58296120, 59267722, 68827032, 69955344, 76474480, 86033790, 87444180, 88901583, 114711720, 116592240, 118535444, 137654064, 148169305, 172067580, 174888360, 177803166, 229423440, 237070888, 266704749, 296338610, 344135160, 349776720, 355606332, 444507915, 474141776, 533409498, 592677220, 688270320, 711212664, 889015830, 1066818996, 1185354440, 1333523745, 1422425328, 1778031660, 2133637992, 2370708880, 2667047490, 3556063320, 4267275984, 5334094980, 7112126640, 10668189960, 21336379920]

約数ペア:

[(1, 21336379920), (2, 10668189960), (3, 7112126640), (4, 5334094980), (5, 4267275984), (6, 3556063320), (8, 2667047490), (9, 2370708880), (10, 2133637992), (12, 1778031660), (15, 1422425328), (16, 1333523745), (18, 1185354440), (20, 1066818996), (24, 889015830), (30, 711212664), (31, 688270320), (36, 592677220), (40, 533409498), (45, 474141776), (48, 444507915), (60, 355606332), (61, 349776720), (62, 344135160), (72, 296338610), (80, 266704749), (90, 237070888), (93, 229423440), (120, 177803166), (122, 174888360), (124, 172067580), (144, 148169305), (155, 137654064), (180, 118535444), (183, 116592240), (186, 114711720), (240, 88901583), (244, 87444180), (248, 86033790), (279, 76474480), (305, 69955344), (310, 68827032), (360, 59267722), (366, 58296120), (372, 57355860), (465, 45884688), (488, 43722090), (496, 43016895), (549, 38864080), (558, 38237240), (610, 34977672), (620, 34413516), (720, 29633861), (732, 29148060), (744, 28677930), (915, 23318448), (930, 22942344), (976, 21861045), (1098, 19432040), (1116, 19118620), (1220, 17488836), (1240, 17206758), (1395, 15294896), (1464, 14574030), (1488, 14338965), (1830, 11659224), (1860, 11471172), (1891, 11283120), (2196, 9716020), (2232, 9559310), (2440, 8744418), (2480, 8603379), (2745, 7772816), (2790, 7647448), (2928, 7287015), (3660, 5829612), (3720, 5735586), (3782, 5641560), (4392, 4858010), (4464, 4779655), (4880, 4372209), (5490, 3886408), (5580, 3823724), (5673, 3761040), (7320, 2914806), (7440, 2867793), (7564, 2820780), (8784, 2429005), (9455, 2256624), (10980, 1943204), (11160, 1911862), (11346, 1880520), (14640, 1457403), (15128, 1410390), (15671, 1361520), (17019, 1253680), (18910, 1128312), (21960, 971602), (22320, 955931), (22692, 940260), (28365, 752208), (30256, 705195), (31342, 680760), (34038, 626840), (37820, 564156), (43920, 485801), (45384, 470130), (47013, 453840), (56730, 376104), (62684, 340380), (68076, 313420), (75640, 282078), (78355, 272304), (85095, 250736), (90768, 235065), (94026, 226920), (113460, 188052), (125368, 170190), (136152, 156710), (141039, 151280)]