21647186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 15677614

約数列:

[1, 2, 11, 22, 23, 46, 179, 239, 253, 358, 478, 506, 1969, 2629, 3938, 4117, 5258, 5497, 8234, 10994, 42781, 45287, 60467, 85562, 90574, 120934, 470591, 941182, 983963, 1967926, 10823593, 21647186]

約数ペア:

[(1, 21647186), (2, 10823593), (11, 1967926), (22, 983963), (23, 941182), (46, 470591), (179, 120934), (239, 90574), (253, 85562), (358, 60467), (478, 45287), (506, 42781), (1969, 10994), (2629, 8234), (3938, 5497), (4117, 5258)]