21241326

素因数分解:

$2^1\times 3^1\times {\mathrm{1607}}^1\times {\mathrm{2203}}^1$

素因数の和:3815

約数の個数: 16

約数和(自身を含む): 42528384

約数和(自身を除く): 21287058

約数列:

[1, 2, 3, 6, 1607, 2203, 3214, 4406, 4821, 6609, 9642, 13218, 3540221, 7080442, 10620663, 21241326]

約数ペア:

[(1, 21241326), (2, 10620663), (3, 7080442), (6, 3540221), (1607, 13218), (2203, 9642), (3214, 6609), (4406, 4821)]