21588255

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12301}}^1$

素因数の和:12328

約数の個数: 32

約数和(自身を含む): 41334720

約数和(自身を除く): 19746465

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 12301, 36903, 61505, 110709, 159913, 184515, 332127, 479739, 553545, 799565, 1439217, 1660635, 2398695, 4317651, 7196085, 21588255]

約数ペア:

[(1, 21588255), (3, 7196085), (5, 4317651), (9, 2398695), (13, 1660635), (15, 1439217), (27, 799565), (39, 553545), (45, 479739), (65, 332127), (117, 184515), (135, 159913), (195, 110709), (351, 61505), (585, 36903), (1755, 12301)]