21611655

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36943}}^1$

素因数の和:36967

約数の個数: 24

約数和(自身を含む): 40342848

約数和(自身を除く): 18731193

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36943, 110829, 184715, 332487, 480259, 554145, 1440777, 1662435, 2401295, 4322331, 7203885, 21611655]

約数ペア:

[(1, 21611655), (3, 7203885), (5, 4322331), (9, 2401295), (13, 1662435), (15, 1440777), (39, 554145), (45, 480259), (65, 332487), (117, 184715), (195, 110829), (585, 36943)]