21331574

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:692

約数の個数: 24

約数和(自身を含む): 35437584

約数和(自身を除く): 14106010

約数列:

[1, 2, 11, 22, 121, 181, 242, 362, 487, 974, 1991, 3982, 5357, 10714, 21901, 43802, 58927, 88147, 117854, 176294, 969617, 1939234, 10665787, 21331574]

約数ペア:

[(1, 21331574), (2, 10665787), (11, 1939234), (22, 969617), (121, 176294), (181, 117854), (242, 88147), (362, 58927), (487, 43802), (974, 21901), (1991, 10714), (3982, 5357)]