21493386180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{68507}}^1$

素因数の和:68615

約数の個数: 192

約数和(自身を含む): 77342791680

約数和(自身を除く): 55849405500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 83, 84, 90, 105, 108, 126, 135, 140, 166, 180, 189, 210, 249, 252, 270, 315, 332, 378, 415, 420, 498, 540, 581, 630, 747, 756, 830, 945, 996, 1162, 1245, 1260, 1494, 1660, 1743, 1890, 2241, 2324, 2490, 2905, 2988, 3486, 3735, 3780, 4482, 4980, 5229, 5810, 6972, 7470, 8715, 8964, 10458, 11205, 11620, 14940, 15687, 17430, 20916, 22410, 26145, 31374, 34860, 44820, 52290, 62748, 68507, 78435, 104580, 137014, 156870, 205521, 274028, 313740, 342535, 411042, 479549, 616563, 685070, 822084, 959098, 1027605, 1233126, 1370140, 1438647, 1849689, 1918196, 2055210, 2397745, 2466252, 2877294, 3082815, 3699378, 4110420, 4315941, 4795490, 5686081, 5754588, 6165630, 7193235, 7398756, 8631882, 9248445, 9590980, 11372162, 12331260, 12947823, 14386470, 17058243, 17263764, 18496890, 21579705, 22744324, 25895646, 28430405, 28772940, 34116486, 36993780, 39802567, 43159410, 51174729, 51791292, 56860810, 64739115, 68232972, 79605134, 85291215, 86318820, 102349458, 113721620, 119407701, 129478230, 153524187, 159210268, 170582430, 199012835, 204698916, 238815402, 255873645, 258956460, 307048374, 341164860, 358223103, 398025670, 477630804, 511747290, 597038505, 614096748, 716446206, 767620935, 796051340, 1023494580, 1074669309, 1194077010, 1432892412, 1535241870, 1791115515, 2149338618, 2388154020, 3070483740, 3582231030, 4298677236, 5373346545, 7164462060, 10746693090, 21493386180]

約数ペア:

[(1, 21493386180), (2, 10746693090), (3, 7164462060), (4, 5373346545), (5, 4298677236), (6, 3582231030), (7, 3070483740), (9, 2388154020), (10, 2149338618), (12, 1791115515), (14, 1535241870), (15, 1432892412), (18, 1194077010), (20, 1074669309), (21, 1023494580), (27, 796051340), (28, 767620935), (30, 716446206), (35, 614096748), (36, 597038505), (42, 511747290), (45, 477630804), (54, 398025670), (60, 358223103), (63, 341164860), (70, 307048374), (83, 258956460), (84, 255873645), (90, 238815402), (105, 204698916), (108, 199012835), (126, 170582430), (135, 159210268), (140, 153524187), (166, 129478230), (180, 119407701), (189, 113721620), (210, 102349458), (249, 86318820), (252, 85291215), (270, 79605134), (315, 68232972), (332, 64739115), (378, 56860810), (415, 51791292), (420, 51174729), (498, 43159410), (540, 39802567), (581, 36993780), (630, 34116486), (747, 28772940), (756, 28430405), (830, 25895646), (945, 22744324), (996, 21579705), (1162, 18496890), (1245, 17263764), (1260, 17058243), (1494, 14386470), (1660, 12947823), (1743, 12331260), (1890, 11372162), (2241, 9590980), (2324, 9248445), (2490, 8631882), (2905, 7398756), (2988, 7193235), (3486, 6165630), (3735, 5754588), (3780, 5686081), (4482, 4795490), (4980, 4315941), (5229, 4110420), (5810, 3699378), (6972, 3082815), (7470, 2877294), (8715, 2466252), (8964, 2397745), (10458, 2055210), (11205, 1918196), (11620, 1849689), (14940, 1438647), (15687, 1370140), (17430, 1233126), (20916, 1027605), (22410, 959098), (26145, 822084), (31374, 685070), (34860, 616563), (44820, 479549), (52290, 411042), (62748, 342535), (68507, 313740), (78435, 274028), (104580, 205521), (137014, 156870)]