21285832

素因数分解:

$2^3\times {\mathrm{491}}^1\times {\mathrm{5419}}^1$

素因数の和:5916

約数の個数: 16

約数和(自身を含む): 39999600

約数和(自身を除く): 18713768

約数列:

[1, 2, 4, 8, 491, 982, 1964, 3928, 5419, 10838, 21676, 43352, 2660729, 5321458, 10642916, 21285832]

約数ペア:

[(1, 21285832), (2, 10642916), (4, 5321458), (8, 2660729), (491, 43352), (982, 21676), (1964, 10838), (3928, 5419)]