21306334

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 38753280

約数和(自身を除く): 17446946

約数列:

[1, 2, 7, 14, 19, 38, 133, 173, 266, 346, 463, 926, 1211, 2422, 3241, 3287, 6482, 6574, 8797, 17594, 23009, 46018, 61579, 80099, 123158, 160198, 560693, 1121386, 1521881, 3043762, 10653167, 21306334]

約数ペア:

[(1, 21306334), (2, 10653167), (7, 3043762), (14, 1521881), (19, 1121386), (38, 560693), (133, 160198), (173, 123158), (266, 80099), (346, 61579), (463, 46018), (926, 23009), (1211, 17594), (2422, 8797), (3241, 6574), (3287, 6482)]