21000687156

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10234253}}^1$

素因数の和:10234285

約数の個数: 48

約数和(自身を含む): 57311822400

約数和(自身を除く): 36311135244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10234253, 20468506, 30702759, 40937012, 61405518, 92108277, 122811036, 184216554, 194450807, 276324831, 368433108, 388901614, 552649662, 583352421, 777803228, 1105299324, 1166704842, 1750057263, 2333409684, 3500114526, 5250171789, 7000229052, 10500343578, 21000687156]

約数ペア:

[(1, 21000687156), (2, 10500343578), (3, 7000229052), (4, 5250171789), (6, 3500114526), (9, 2333409684), (12, 1750057263), (18, 1166704842), (19, 1105299324), (27, 777803228), (36, 583352421), (38, 552649662), (54, 388901614), (57, 368433108), (76, 276324831), (108, 194450807), (114, 184216554), (171, 122811036), (228, 92108277), (342, 61405518), (513, 40937012), (684, 30702759), (1026, 20468506), (2052, 10234253)]