21857556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{260209}}^1$

素因数の和:260223

約数の個数: 24

約数和(自身を含む): 58287040

約数和(自身を除く): 36429484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 260209, 520418, 780627, 1040836, 1561254, 1821463, 3122508, 3642926, 5464389, 7285852, 10928778, 21857556]

約数ペア:

[(1, 21857556), (2, 10928778), (3, 7285852), (4, 5464389), (6, 3642926), (7, 3122508), (12, 1821463), (14, 1561254), (21, 1040836), (28, 780627), (42, 520418), (84, 260209)]