21910392

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:402

約数の個数: 128

約数和(自身を含む): 71385600

約数和(自身を除く): 49475208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 43, 54, 56, 63, 72, 84, 86, 108, 126, 129, 168, 172, 189, 216, 252, 258, 301, 337, 344, 378, 387, 504, 516, 602, 674, 756, 774, 903, 1011, 1032, 1161, 1204, 1348, 1512, 1548, 1806, 2022, 2322, 2359, 2408, 2696, 2709, 3033, 3096, 3612, 4044, 4644, 4718, 5418, 6066, 7077, 7224, 8088, 8127, 9099, 9288, 9436, 10836, 12132, 14154, 14491, 16254, 18198, 18872, 21231, 21672, 24264, 28308, 28982, 32508, 36396, 42462, 43473, 56616, 57964, 63693, 65016, 72792, 84924, 86946, 101437, 115928, 127386, 130419, 169848, 173892, 202874, 254772, 260838, 304311, 347784, 391257, 405748, 509544, 521676, 608622, 782514, 811496, 912933, 1043352, 1217244, 1565028, 1825866, 2434488, 2738799, 3130056, 3651732, 5477598, 7303464, 10955196, 21910392]

約数ペア:

[(1, 21910392), (2, 10955196), (3, 7303464), (4, 5477598), (6, 3651732), (7, 3130056), (8, 2738799), (9, 2434488), (12, 1825866), (14, 1565028), (18, 1217244), (21, 1043352), (24, 912933), (27, 811496), (28, 782514), (36, 608622), (42, 521676), (43, 509544), (54, 405748), (56, 391257), (63, 347784), (72, 304311), (84, 260838), (86, 254772), (108, 202874), (126, 173892), (129, 169848), (168, 130419), (172, 127386), (189, 115928), (216, 101437), (252, 86946), (258, 84924), (301, 72792), (337, 65016), (344, 63693), (378, 57964), (387, 56616), (504, 43473), (516, 42462), (602, 36396), (674, 32508), (756, 28982), (774, 28308), (903, 24264), (1011, 21672), (1032, 21231), (1161, 18872), (1204, 18198), (1348, 16254), (1512, 14491), (1548, 14154), (1806, 12132), (2022, 10836), (2322, 9436), (2359, 9288), (2408, 9099), (2696, 8127), (2709, 8088), (3033, 7224), (3096, 7077), (3612, 6066), (4044, 5418), (4644, 4718)]