21076812

素因数分解:

$2^2\times 3^2\times {\mathrm{585467}}^1$

素因数の和:585477

約数の個数: 18

約数和(自身を含む): 53277588

約数和(自身を除く): 32200776

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 585467, 1170934, 1756401, 2341868, 3512802, 5269203, 7025604, 10538406, 21076812]

約数ペア:

[(1, 21076812), (2, 10538406), (3, 7025604), (4, 5269203), (6, 3512802), (9, 2341868), (12, 1756401), (18, 1170934), (36, 585467)]