21499422

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{511891}}^1$

素因数の和:511903

約数の個数: 16

約数和(自身を含む): 49141632

約数和(自身を除く): 27642210

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 511891, 1023782, 1535673, 3071346, 3583237, 7166474, 10749711, 21499422]

約数ペア:

[(1, 21499422), (2, 10749711), (3, 7166474), (6, 3583237), (7, 3071346), (14, 1535673), (21, 1023782), (42, 511891)]