21890385

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14741}}^1$

素因数の和:14766

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 20566575

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 14741, 44223, 73705, 132669, 162151, 221115, 398007, 486453, 663345, 810755, 1459359, 1990035, 2432265, 4378077, 7296795, 21890385]

約数ペア:

[(1, 21890385), (3, 7296795), (5, 4378077), (9, 2432265), (11, 1990035), (15, 1459359), (27, 810755), (33, 663345), (45, 486453), (55, 398007), (99, 221115), (135, 162151), (165, 132669), (297, 73705), (495, 44223), (1485, 14741)]