21302154

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 48984000

約数和(自身を除く): 27681846

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 199, 313, 342, 398, 597, 626, 939, 1194, 1791, 1878, 2817, 3582, 3781, 5634, 5947, 7562, 11343, 11894, 17841, 22686, 34029, 35682, 53523, 62287, 68058, 107046, 124574, 186861, 373722, 560583, 1121166, 1183453, 2366906, 3550359, 7100718, 10651077, 21302154]

約数ペア:

[(1, 21302154), (2, 10651077), (3, 7100718), (6, 3550359), (9, 2366906), (18, 1183453), (19, 1121166), (38, 560583), (57, 373722), (114, 186861), (171, 124574), (199, 107046), (313, 68058), (342, 62287), (398, 53523), (597, 35682), (626, 34029), (939, 22686), (1194, 17841), (1791, 11894), (1878, 11343), (2817, 7562), (3582, 5947), (3781, 5634)]