21430668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{255127}}^1$

素因数の和:255141

約数の個数: 24

約数和(自身を含む): 57148672

約数和(自身を除く): 35718004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 255127, 510254, 765381, 1020508, 1530762, 1785889, 3061524, 3571778, 5357667, 7143556, 10715334, 21430668]

約数ペア:

[(1, 21430668), (2, 10715334), (3, 7143556), (4, 5357667), (6, 3571778), (7, 3061524), (12, 1785889), (14, 1530762), (21, 1020508), (28, 765381), (42, 510254), (84, 255127)]