21793646

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81931}}^1$

素因数の和:81959

約数の個数: 16

約数和(自身を含む): 39327360

約数和(自身を除く): 17533714

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 81931, 163862, 573517, 1147034, 1556689, 3113378, 10896823, 21793646]

約数ペア:

[(1, 21793646), (2, 10896823), (7, 3113378), (14, 1556689), (19, 1147034), (38, 573517), (133, 163862), (266, 81931)]