21064706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11411}}^1$

素因数の和:11497

約数の個数: 16

約数和(自身を含む): 34509888

約数和(自身を除く): 13445182

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11411, 22822, 148343, 296686, 810181, 1620362, 10532353, 21064706]

約数ペア:

[(1, 21064706), (2, 10532353), (13, 1620362), (26, 810181), (71, 296686), (142, 148343), (923, 22822), (1846, 11411)]