21070404

素因数分解:

$2^2\times 3^2\times {\mathrm{585289}}^1$

素因数の和:585299

約数の個数: 18

約数和(自身を含む): 53261390

約数和(自身を除く): 32190986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 585289, 1170578, 1755867, 2341156, 3511734, 5267601, 7023468, 10535202, 21070404]

約数ペア:

[(1, 21070404), (2, 10535202), (3, 7023468), (4, 5267601), (6, 3511734), (9, 2341156), (12, 1755867), (18, 1170578), (36, 585289)]