21132694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14792426

約数列:

[1, 2, 11, 22, 43, 86, 89, 178, 251, 473, 502, 946, 979, 1958, 2761, 3827, 5522, 7654, 10793, 21586, 22339, 42097, 44678, 84194, 118723, 237446, 245729, 491458, 960577, 1921154, 10566347, 21132694]

約数ペア:

[(1, 21132694), (2, 10566347), (11, 1921154), (22, 960577), (43, 491458), (86, 245729), (89, 237446), (178, 118723), (251, 84194), (473, 44678), (502, 42097), (946, 22339), (979, 21586), (1958, 10793), (2761, 7654), (3827, 5522)]