42171213

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{12473}}^1$

素因数の和:12513

約数の個数: 24

約数和(自身を含む): 68257728

約数和(自身を除く): 26086515

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 12473, 37419, 87311, 261933, 286879, 611177, 860637, 1833531, 2008153, 6024459, 14057071, 42171213]

約数ペア:

[(1, 42171213), (3, 14057071), (7, 6024459), (21, 2008153), (23, 1833531), (49, 860637), (69, 611177), (147, 286879), (161, 261933), (483, 87311), (1127, 37419), (3381, 12473)]