21654852

素因数分解:

$2^2\times 3^1\times {\mathrm{389}}^1\times {\mathrm{4639}}^1$

素因数の和:5035

約数の個数: 24

約数和(自身を含む): 50668800

約数和(自身を除く): 29013948

約数列:

[1, 2, 3, 4, 6, 12, 389, 778, 1167, 1556, 2334, 4639, 4668, 9278, 13917, 18556, 27834, 55668, 1804571, 3609142, 5413713, 7218284, 10827426, 21654852]

約数ペア:

[(1, 21654852), (2, 10827426), (3, 7218284), (4, 5413713), (6, 3609142), (12, 1804571), (389, 55668), (778, 27834), (1167, 18556), (1556, 13917), (2334, 9278), (4639, 4668)]