21213864

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{859}}^1$

素因数の和:892

約数の個数: 96

約数和(自身を含む): 67080000

約数和(自身を除く): 45866136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 343, 392, 441, 504, 588, 686, 859, 882, 1029, 1176, 1372, 1718, 1764, 2058, 2577, 2744, 3087, 3436, 3528, 4116, 5154, 6013, 6174, 6872, 7731, 8232, 10308, 12026, 12348, 15462, 18039, 20616, 24052, 24696, 30924, 36078, 42091, 48104, 54117, 61848, 72156, 84182, 108234, 126273, 144312, 168364, 216468, 252546, 294637, 336728, 378819, 432936, 505092, 589274, 757638, 883911, 1010184, 1178548, 1515276, 1767822, 2357096, 2651733, 3030552, 3535644, 5303466, 7071288, 10606932, 21213864]

約数ペア:

[(1, 21213864), (2, 10606932), (3, 7071288), (4, 5303466), (6, 3535644), (7, 3030552), (8, 2651733), (9, 2357096), (12, 1767822), (14, 1515276), (18, 1178548), (21, 1010184), (24, 883911), (28, 757638), (36, 589274), (42, 505092), (49, 432936), (56, 378819), (63, 336728), (72, 294637), (84, 252546), (98, 216468), (126, 168364), (147, 144312), (168, 126273), (196, 108234), (252, 84182), (294, 72156), (343, 61848), (392, 54117), (441, 48104), (504, 42091), (588, 36078), (686, 30924), (859, 24696), (882, 24052), (1029, 20616), (1176, 18039), (1372, 15462), (1718, 12348), (1764, 12026), (2058, 10308), (2577, 8232), (2744, 7731), (3087, 6872), (3436, 6174), (3528, 6013), (4116, 5154)]