21131316

素因数分解:

$2^2\times 3^2\times {\mathrm{586981}}^1$

素因数の和:586991

約数の個数: 18

約数和(自身を含む): 53415362

約数和(自身を除く): 32284046

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 586981, 1173962, 1760943, 2347924, 3521886, 5282829, 7043772, 10565658, 21131316]

約数ペア:

[(1, 21131316), (2, 10565658), (3, 7043772), (4, 5282829), (6, 3521886), (9, 2347924), (12, 1760943), (18, 1173962), (36, 586981)]