21491085240

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{51419}}^1$

素因数の和:51488

約数の個数: 192

約数和(自身を含む): 74118844800

約数和(自身を除く): 52627759560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 81, 86, 90, 108, 120, 129, 135, 162, 172, 180, 215, 216, 243, 258, 270, 324, 344, 360, 387, 405, 430, 486, 516, 540, 645, 648, 774, 810, 860, 972, 1032, 1080, 1161, 1215, 1290, 1548, 1620, 1720, 1935, 1944, 2322, 2430, 2580, 3096, 3240, 3483, 3870, 4644, 4860, 5160, 5805, 6966, 7740, 9288, 9720, 10449, 11610, 13932, 15480, 17415, 20898, 23220, 27864, 34830, 41796, 46440, 51419, 52245, 69660, 83592, 102838, 104490, 139320, 154257, 205676, 208980, 257095, 308514, 411352, 417960, 462771, 514190, 617028, 771285, 925542, 1028380, 1234056, 1388313, 1542570, 1851084, 2056760, 2211017, 2313855, 2776626, 3085140, 3702168, 4164939, 4422034, 4627710, 5553252, 6170280, 6633051, 6941565, 8329878, 8844068, 9255420, 11055085, 11106504, 12494817, 13266102, 13883130, 16659756, 17688136, 18510840, 19899153, 20824695, 22110170, 24989634, 26532204, 27766260, 33165255, 33319512, 39798306, 41649390, 44220340, 49979268, 53064408, 55532520, 59697459, 62474085, 66330510, 79596612, 83298780, 88440680, 99495765, 99958536, 119394918, 124948170, 132661020, 159193224, 166597560, 179092377, 198991530, 238789836, 249896340, 265322040, 298487295, 358184754, 397983060, 477579672, 499792680, 537277131, 596974590, 716369508, 795966120, 895461885, 1074554262, 1193949180, 1432739016, 1790923770, 2149108524, 2387898360, 2686385655, 3581847540, 4298217048, 5372771310, 7163695080, 10745542620, 21491085240]

約数ペア:

[(1, 21491085240), (2, 10745542620), (3, 7163695080), (4, 5372771310), (5, 4298217048), (6, 3581847540), (8, 2686385655), (9, 2387898360), (10, 2149108524), (12, 1790923770), (15, 1432739016), (18, 1193949180), (20, 1074554262), (24, 895461885), (27, 795966120), (30, 716369508), (36, 596974590), (40, 537277131), (43, 499792680), (45, 477579672), (54, 397983060), (60, 358184754), (72, 298487295), (81, 265322040), (86, 249896340), (90, 238789836), (108, 198991530), (120, 179092377), (129, 166597560), (135, 159193224), (162, 132661020), (172, 124948170), (180, 119394918), (215, 99958536), (216, 99495765), (243, 88440680), (258, 83298780), (270, 79596612), (324, 66330510), (344, 62474085), (360, 59697459), (387, 55532520), (405, 53064408), (430, 49979268), (486, 44220340), (516, 41649390), (540, 39798306), (645, 33319512), (648, 33165255), (774, 27766260), (810, 26532204), (860, 24989634), (972, 22110170), (1032, 20824695), (1080, 19899153), (1161, 18510840), (1215, 17688136), (1290, 16659756), (1548, 13883130), (1620, 13266102), (1720, 12494817), (1935, 11106504), (1944, 11055085), (2322, 9255420), (2430, 8844068), (2580, 8329878), (3096, 6941565), (3240, 6633051), (3483, 6170280), (3870, 5553252), (4644, 4627710), (4860, 4422034), (5160, 4164939), (5805, 3702168), (6966, 3085140), (7740, 2776626), (9288, 2313855), (9720, 2211017), (10449, 2056760), (11610, 1851084), (13932, 1542570), (15480, 1388313), (17415, 1234056), (20898, 1028380), (23220, 925542), (27864, 771285), (34830, 617028), (41796, 514190), (46440, 462771), (51419, 417960), (52245, 411352), (69660, 308514), (83592, 257095), (102838, 208980), (104490, 205676), (139320, 154257)]