21299508

素因数分解:

$2^2\times 3^2\times {\mathrm{591653}}^1$

素因数の和:591663

約数の個数: 18

約数和(自身を含む): 53840514

約数和(自身を除く): 32541006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 591653, 1183306, 1774959, 2366612, 3549918, 5324877, 7099836, 10649754, 21299508]

約数ペア:

[(1, 21299508), (2, 10649754), (3, 7099836), (4, 5324877), (6, 3549918), (9, 2366612), (12, 1774959), (18, 1183306), (36, 591653)]