21492052

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{491}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 39013632

約数和(自身を除く): 17521580

約数列:

[1, 2, 4, 31, 62, 124, 353, 491, 706, 982, 1412, 1964, 10943, 15221, 21886, 30442, 43772, 60884, 173323, 346646, 693292, 5373013, 10746026, 21492052]

約数ペア:

[(1, 21492052), (2, 10746026), (4, 5373013), (31, 693292), (62, 346646), (124, 173323), (353, 60884), (491, 43772), (706, 30442), (982, 21886), (1412, 15221), (1964, 10943)]