21493884

素因数分解:

$2^2\times 3^1\times {\mathrm{1297}}^1\times {\mathrm{1381}}^1$

素因数の和:2685

約数の個数: 24

約数和(自身を含む): 50227408

約数和(自身を除く): 28733524

約数列:

[1, 2, 3, 4, 6, 12, 1297, 1381, 2594, 2762, 3891, 4143, 5188, 5524, 7782, 8286, 15564, 16572, 1791157, 3582314, 5373471, 7164628, 10746942, 21493884]

約数ペア:

[(1, 21493884), (2, 10746942), (3, 7164628), (4, 5373471), (6, 3582314), (12, 1791157), (1297, 16572), (1381, 15564), (2594, 8286), (2762, 7782), (3891, 5524), (4143, 5188)]