21777882

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{518521}}^1$

素因数の和:518533

約数の個数: 16

約数和(自身を含む): 49778112

約数和(自身を除く): 28000230

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 518521, 1037042, 1555563, 3111126, 3629647, 7259294, 10888941, 21777882]

約数ペア:

[(1, 21777882), (2, 10888941), (3, 7259294), (6, 3629647), (7, 3111126), (14, 1555563), (21, 1037042), (42, 518521)]