21721167370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{4111}}^1$

素因数の和:4436

約数の個数: 96

約数和(自身を含む): 46779296256

約数和(自身を除く): 25058128886

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 263, 287, 410, 490, 526, 574, 1315, 1435, 1841, 2009, 2630, 2870, 3682, 4018, 4111, 8222, 9205, 10045, 10783, 12887, 18410, 20090, 20555, 21566, 25774, 28777, 41110, 53915, 57554, 64435, 75481, 107830, 128870, 143885, 150962, 168551, 201439, 287770, 337102, 377405, 402878, 528367, 754810, 842755, 1007195, 1056734, 1081193, 1179857, 1685510, 2014390, 2162386, 2359714, 2641835, 5283670, 5405965, 5899285, 7568351, 8258999, 10811930, 11798570, 15136702, 16517998, 37841755, 41294995, 44328913, 52978457, 75683510, 82589990, 88657826, 105956914, 221644565, 264892285, 310302391, 443289130, 529784570, 620604782, 1551511955, 2172116737, 3103023910, 4344233474, 10860583685, 21721167370]

約数ペア:

[(1, 21721167370), (2, 10860583685), (5, 4344233474), (7, 3103023910), (10, 2172116737), (14, 1551511955), (35, 620604782), (41, 529784570), (49, 443289130), (70, 310302391), (82, 264892285), (98, 221644565), (205, 105956914), (245, 88657826), (263, 82589990), (287, 75683510), (410, 52978457), (490, 44328913), (526, 41294995), (574, 37841755), (1315, 16517998), (1435, 15136702), (1841, 11798570), (2009, 10811930), (2630, 8258999), (2870, 7568351), (3682, 5899285), (4018, 5405965), (4111, 5283670), (8222, 2641835), (9205, 2359714), (10045, 2162386), (10783, 2014390), (12887, 1685510), (18410, 1179857), (20090, 1081193), (20555, 1056734), (21566, 1007195), (25774, 842755), (28777, 754810), (41110, 528367), (53915, 402878), (57554, 377405), (64435, 337102), (75481, 287770), (107830, 201439), (128870, 168551), (143885, 150962)]