21321736120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{1487}}^1$

素因数の和:1837

約数の個数: 128

約数和(自身を含む): 50911027200

約数和(自身を除く): 29589291080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 263, 290, 376, 470, 526, 580, 940, 1052, 1160, 1315, 1363, 1487, 1880, 2104, 2630, 2726, 2974, 5260, 5452, 5948, 6815, 7435, 7627, 10520, 10904, 11896, 12361, 13630, 14870, 15254, 24722, 27260, 29740, 30508, 38135, 43123, 49444, 54520, 59480, 61016, 61805, 69889, 76270, 86246, 98888, 123610, 139778, 152540, 172492, 215615, 247220, 279556, 305080, 344984, 349445, 358469, 391081, 431230, 494440, 559112, 698890, 716938, 782162, 862460, 1397780, 1433876, 1564324, 1724920, 1792345, 1955405, 2026781, 2795560, 2867752, 3128648, 3584690, 3910810, 4053562, 7169380, 7821620, 8107124, 10133905, 11341349, 14338760, 15643240, 16214248, 18380807, 20267810, 22682698, 36761614, 40535620, 45365396, 56706745, 73523228, 81071240, 90730792, 91904035, 113413490, 147046456, 183808070, 226826980, 367616140, 453653960, 533043403, 735232280, 1066086806, 2132173612, 2665217015, 4264347224, 5330434030, 10660868060, 21321736120]

約数ペア:

[(1, 21321736120), (2, 10660868060), (4, 5330434030), (5, 4264347224), (8, 2665217015), (10, 2132173612), (20, 1066086806), (29, 735232280), (40, 533043403), (47, 453653960), (58, 367616140), (94, 226826980), (116, 183808070), (145, 147046456), (188, 113413490), (232, 91904035), (235, 90730792), (263, 81071240), (290, 73523228), (376, 56706745), (470, 45365396), (526, 40535620), (580, 36761614), (940, 22682698), (1052, 20267810), (1160, 18380807), (1315, 16214248), (1363, 15643240), (1487, 14338760), (1880, 11341349), (2104, 10133905), (2630, 8107124), (2726, 7821620), (2974, 7169380), (5260, 4053562), (5452, 3910810), (5948, 3584690), (6815, 3128648), (7435, 2867752), (7627, 2795560), (10520, 2026781), (10904, 1955405), (11896, 1792345), (12361, 1724920), (13630, 1564324), (14870, 1433876), (15254, 1397780), (24722, 862460), (27260, 782162), (29740, 716938), (30508, 698890), (38135, 559112), (43123, 494440), (49444, 431230), (54520, 391081), (59480, 358469), (61016, 349445), (61805, 344984), (69889, 305080), (76270, 279556), (86246, 247220), (98888, 215615), (123610, 172492), (139778, 152540)]