21044253840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1\times {\mathrm{1759}}^1$

素因数の和:2485

約数の個数: 160

約数和(自身を含む): 66205286400

約数和(自身を除く): 45161032560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 631, 632, 790, 948, 1185, 1262, 1264, 1580, 1759, 1893, 1896, 2370, 2524, 3155, 3160, 3518, 3786, 3792, 4740, 5048, 5277, 6310, 6320, 7036, 7572, 8795, 9465, 9480, 10096, 10554, 12620, 14072, 15144, 17590, 18930, 18960, 21108, 25240, 26385, 28144, 30288, 35180, 37860, 42216, 49849, 50480, 52770, 70360, 75720, 84432, 99698, 105540, 138961, 140720, 149547, 151440, 199396, 211080, 249245, 277922, 299094, 398792, 416883, 422160, 498490, 555844, 598188, 694805, 747735, 797584, 833766, 996980, 1109929, 1111688, 1196376, 1389610, 1495470, 1667532, 1993960, 2084415, 2219858, 2223376, 2392752, 2779220, 2990940, 3329787, 3335064, 3987920, 4168830, 4439716, 5549645, 5558440, 5981880, 6659574, 6670128, 8337660, 8879432, 11099290, 11116880, 11963760, 13319148, 16648935, 16675320, 17758864, 22198580, 26638296, 33297870, 33350640, 44397160, 53276592, 66595740, 87684391, 88794320, 133191480, 175368782, 263053173, 266382960, 350737564, 438421955, 526106346, 701475128, 876843910, 1052212692, 1315265865, 1402950256, 1753687820, 2104425384, 2630531730, 3507375640, 4208850768, 5261063460, 7014751280, 10522126920, 21044253840]

約数ペア:

[(1, 21044253840), (2, 10522126920), (3, 7014751280), (4, 5261063460), (5, 4208850768), (6, 3507375640), (8, 2630531730), (10, 2104425384), (12, 1753687820), (15, 1402950256), (16, 1315265865), (20, 1052212692), (24, 876843910), (30, 701475128), (40, 526106346), (48, 438421955), (60, 350737564), (79, 266382960), (80, 263053173), (120, 175368782), (158, 133191480), (237, 88794320), (240, 87684391), (316, 66595740), (395, 53276592), (474, 44397160), (631, 33350640), (632, 33297870), (790, 26638296), (948, 22198580), (1185, 17758864), (1262, 16675320), (1264, 16648935), (1580, 13319148), (1759, 11963760), (1893, 11116880), (1896, 11099290), (2370, 8879432), (2524, 8337660), (3155, 6670128), (3160, 6659574), (3518, 5981880), (3786, 5558440), (3792, 5549645), (4740, 4439716), (5048, 4168830), (5277, 3987920), (6310, 3335064), (6320, 3329787), (7036, 2990940), (7572, 2779220), (8795, 2392752), (9465, 2223376), (9480, 2219858), (10096, 2084415), (10554, 1993960), (12620, 1667532), (14072, 1495470), (15144, 1389610), (17590, 1196376), (18930, 1111688), (18960, 1109929), (21108, 996980), (25240, 833766), (26385, 797584), (28144, 747735), (30288, 694805), (35180, 598188), (37860, 555844), (42216, 498490), (49849, 422160), (50480, 416883), (52770, 398792), (70360, 299094), (75720, 277922), (84432, 249245), (99698, 211080), (105540, 199396), (138961, 151440), (140720, 149547)]