21421486240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{13691}}^1$

素因数の和:13851

約数の個数: 192

約数和(自身を含む): 63597477888

約数和(自身を除く): 42175991648

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 127, 140, 154, 160, 176, 220, 224, 254, 280, 308, 352, 385, 440, 508, 560, 616, 635, 770, 880, 889, 1016, 1120, 1232, 1270, 1397, 1540, 1760, 1778, 2032, 2464, 2540, 2794, 3080, 3556, 4064, 4445, 5080, 5588, 6160, 6985, 7112, 8890, 9779, 10160, 11176, 12320, 13691, 13970, 14224, 17780, 19558, 20320, 22352, 27382, 27940, 28448, 35560, 39116, 44704, 48895, 54764, 55880, 68455, 71120, 78232, 95837, 97790, 109528, 111760, 136910, 142240, 150601, 156464, 191674, 195580, 219056, 223520, 273820, 301202, 312928, 383348, 391160, 438112, 479185, 547640, 602404, 753005, 766696, 782320, 958370, 1054207, 1095280, 1204808, 1506010, 1533392, 1564640, 1738757, 1916740, 2108414, 2190560, 2409616, 3012020, 3066784, 3477514, 3833480, 4216828, 4819232, 5271035, 6024040, 6955028, 7666960, 8433656, 8693785, 10542070, 12048080, 12171299, 13910056, 15333920, 16867312, 17387570, 19126327, 21084140, 24096160, 24342598, 27820112, 33734624, 34775140, 38252654, 42168280, 48685196, 55640224, 60856495, 69550280, 76505308, 84336560, 95631635, 97370392, 121712990, 133884289, 139100560, 153010616, 168673120, 191263270, 194740784, 243425980, 267768578, 278201120, 306021232, 382526540, 389481568, 486851960, 535537156, 612042464, 669421445, 765053080, 973703920, 1071074312, 1338842890, 1530106160, 1947407840, 2142148624, 2677685780, 3060212320, 4284297248, 5355371560, 10710743120, 21421486240]

約数ペア:

[(1, 21421486240), (2, 10710743120), (4, 5355371560), (5, 4284297248), (7, 3060212320), (8, 2677685780), (10, 2142148624), (11, 1947407840), (14, 1530106160), (16, 1338842890), (20, 1071074312), (22, 973703920), (28, 765053080), (32, 669421445), (35, 612042464), (40, 535537156), (44, 486851960), (55, 389481568), (56, 382526540), (70, 306021232), (77, 278201120), (80, 267768578), (88, 243425980), (110, 194740784), (112, 191263270), (127, 168673120), (140, 153010616), (154, 139100560), (160, 133884289), (176, 121712990), (220, 97370392), (224, 95631635), (254, 84336560), (280, 76505308), (308, 69550280), (352, 60856495), (385, 55640224), (440, 48685196), (508, 42168280), (560, 38252654), (616, 34775140), (635, 33734624), (770, 27820112), (880, 24342598), (889, 24096160), (1016, 21084140), (1120, 19126327), (1232, 17387570), (1270, 16867312), (1397, 15333920), (1540, 13910056), (1760, 12171299), (1778, 12048080), (2032, 10542070), (2464, 8693785), (2540, 8433656), (2794, 7666960), (3080, 6955028), (3556, 6024040), (4064, 5271035), (4445, 4819232), (5080, 4216828), (5588, 3833480), (6160, 3477514), (6985, 3066784), (7112, 3012020), (8890, 2409616), (9779, 2190560), (10160, 2108414), (11176, 1916740), (12320, 1738757), (13691, 1564640), (13970, 1533392), (14224, 1506010), (17780, 1204808), (19558, 1095280), (20320, 1054207), (22352, 958370), (27382, 782320), (27940, 766696), (28448, 753005), (35560, 602404), (39116, 547640), (44704, 479185), (48895, 438112), (54764, 391160), (55880, 383348), (68455, 312928), (71120, 301202), (78232, 273820), (95837, 223520), (97790, 219056), (109528, 195580), (111760, 191674), (136910, 156464), (142240, 150601)]