21261876

素因数分解:

$2^2\times 3^1\times {\mathrm{1283}}^1\times {\mathrm{1381}}^1$

素因数の和:2671

約数の個数: 24

約数和(自身を含む): 49685664

約数和(自身を除く): 28423788

約数列:

[1, 2, 3, 4, 6, 12, 1283, 1381, 2566, 2762, 3849, 4143, 5132, 5524, 7698, 8286, 15396, 16572, 1771823, 3543646, 5315469, 7087292, 10630938, 21261876]

約数ペア:

[(1, 21261876), (2, 10630938), (3, 7087292), (4, 5315469), (6, 3543646), (12, 1771823), (1283, 16572), (1381, 15396), (2566, 8286), (2762, 7698), (3849, 5524), (4143, 5132)]