21354201

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19609}}^1$

素因数の和:19637

約数の個数: 18

約数和(自身を含む): 33905690

約数和(自身を除く): 12551489

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 19609, 58827, 176481, 215699, 647097, 1941291, 2372689, 7118067, 21354201]

約数ペア:

[(1, 21354201), (3, 7118067), (9, 2372689), (11, 1941291), (33, 647097), (99, 215699), (121, 176481), (363, 58827), (1089, 19609)]