21226914

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1264

約数の個数: 64

約数和(自身を含む): 52617600

約数和(自身を除く): 31390686

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 34, 38, 51, 54, 57, 102, 114, 153, 171, 306, 323, 342, 459, 513, 646, 918, 969, 1026, 1217, 1938, 2434, 2907, 3651, 5814, 7302, 8721, 10953, 17442, 20689, 21906, 23123, 32859, 41378, 46246, 62067, 65718, 69369, 124134, 138738, 186201, 208107, 372402, 393091, 416214, 558603, 624321, 786182, 1117206, 1179273, 1248642, 2358546, 3537819, 7075638, 10613457, 21226914]

約数ペア:

[(1, 21226914), (2, 10613457), (3, 7075638), (6, 3537819), (9, 2358546), (17, 1248642), (18, 1179273), (19, 1117206), (27, 786182), (34, 624321), (38, 558603), (51, 416214), (54, 393091), (57, 372402), (102, 208107), (114, 186201), (153, 138738), (171, 124134), (306, 69369), (323, 65718), (342, 62067), (459, 46246), (513, 41378), (646, 32859), (918, 23123), (969, 21906), (1026, 20689), (1217, 17442), (1938, 10953), (2434, 8721), (2907, 7302), (3651, 5814)]