21815233

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2713}}^1$

素因数の和:2784

約数の個数: 16

約数和(自身を含む): 25793856

約数和(自身を除く): 3978623

約数列:

[1, 11, 17, 43, 187, 473, 731, 2713, 8041, 29843, 46121, 116659, 507331, 1283249, 1983203, 21815233]

約数ペア:

[(1, 21815233), (11, 1983203), (17, 1283249), (43, 507331), (187, 116659), (473, 46121), (731, 29843), (2713, 8041)]