21136635

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36131}}^1$

素因数の和:36155

約数の個数: 24

約数和(自身を含む): 39456144

約数和(自身を除く): 18319509

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36131, 108393, 180655, 325179, 469703, 541965, 1409109, 1625895, 2348515, 4227327, 7045545, 21136635]

約数ペア:

[(1, 21136635), (3, 7045545), (5, 4227327), (9, 2348515), (13, 1625895), (15, 1409109), (39, 541965), (45, 469703), (65, 325179), (117, 180655), (195, 108393), (585, 36131)]