21248274

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1439}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 23541486

約数列:

[1, 2, 3, 6, 23, 46, 69, 107, 138, 214, 321, 642, 1439, 2461, 2878, 4317, 4922, 7383, 8634, 14766, 33097, 66194, 99291, 153973, 198582, 307946, 461919, 923838, 3541379, 7082758, 10624137, 21248274]

約数ペア:

[(1, 21248274), (2, 10624137), (3, 7082758), (6, 3541379), (23, 923838), (46, 461919), (69, 307946), (107, 198582), (138, 153973), (214, 99291), (321, 66194), (642, 33097), (1439, 14766), (2461, 8634), (2878, 7383), (4317, 4922)]