21284778

素因数分解:

$2^1\times 3^1\times {\mathrm{563}}^1\times {\mathrm{6301}}^1$

素因数の和:6869

約数の個数: 16

約数和(自身を含む): 42651936

約数和(自身を除く): 21367158

約数列:

[1, 2, 3, 6, 563, 1126, 1689, 3378, 6301, 12602, 18903, 37806, 3547463, 7094926, 10642389, 21284778]

約数ペア:

[(1, 21284778), (2, 10642389), (3, 7094926), (6, 3547463), (563, 37806), (1126, 18903), (1689, 12602), (3378, 6301)]