21975894

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{21419}}^1$

素因数の和:21449

約数の個数: 32

約数和(自身を含む): 51408000

約数和(自身を除く): 29432106

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 21419, 42838, 64257, 128514, 192771, 385542, 406961, 578313, 813922, 1156626, 1220883, 2441766, 3662649, 7325298, 10987947, 21975894]

約数ペア:

[(1, 21975894), (2, 10987947), (3, 7325298), (6, 3662649), (9, 2441766), (18, 1220883), (19, 1156626), (27, 813922), (38, 578313), (54, 406961), (57, 385542), (114, 192771), (171, 128514), (342, 64257), (513, 42838), (1026, 21419)]