21108555

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36083}}^1$

素因数の和:36107

約数の個数: 24

約数和(自身を含む): 39403728

約数和(自身を除く): 18295173

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36083, 108249, 180415, 324747, 469079, 541245, 1407237, 1623735, 2345395, 4221711, 7036185, 21108555]

約数ペア:

[(1, 21108555), (3, 7036185), (5, 4221711), (9, 2345395), (13, 1623735), (15, 1407237), (39, 541245), (45, 469079), (65, 324747), (117, 180415), (195, 108249), (585, 36083)]