21654413

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2693}}^1$

素因数の和:2764

約数の個数: 16

約数和(自身を含む): 25603776

約数和(自身を除く): 3949363

約数列:

[1, 11, 17, 43, 187, 473, 731, 2693, 8041, 29623, 45781, 115799, 503591, 1273789, 1968583, 21654413]

約数ペア:

[(1, 21654413), (11, 1968583), (17, 1273789), (43, 503591), (187, 115799), (473, 45781), (731, 29623), (2693, 8041)]