21013262

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{641}}^1$

素因数の和:1123

約数の個数: 16

約数和(自身を含む): 32495472

約数和(自身を除く): 11482210

約数列:

[1, 2, 37, 74, 443, 641, 886, 1282, 16391, 23717, 32782, 47434, 283963, 567926, 10506631, 21013262]

約数ペア:

[(1, 21013262), (2, 10506631), (37, 567926), (74, 283963), (443, 47434), (641, 32782), (886, 23717), (1282, 16391)]