21429694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{74929}}^1$

素因数の和:74955

約数の個数: 16

約数和(自身を含む): 37764720

約数和(自身を除く): 16335026

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 74929, 149858, 824219, 974077, 1648438, 1948154, 10714847, 21429694]

約数ペア:

[(1, 21429694), (2, 10714847), (11, 1948154), (13, 1648438), (22, 974077), (26, 824219), (143, 149858), (286, 74929)]