21920794

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3583}}^1$

素因数の和:3634

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 19366886

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 437, 874, 3059, 3583, 6118, 7166, 25081, 50162, 68077, 82409, 136154, 164818, 476539, 576863, 953078, 1153726, 1565771, 3131542, 10960397, 21920794]

約数ペア:

[(1, 21920794), (2, 10960397), (7, 3131542), (14, 1565771), (19, 1153726), (23, 953078), (38, 576863), (46, 476539), (133, 164818), (161, 136154), (266, 82409), (322, 68077), (437, 50162), (874, 25081), (3059, 7166), (3583, 6118)]