21561253918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{75217}}^1\times {\mathrm{8431}}^1$

素因数の和:83667

約数の個数: 16

約数和(自身を含む): 34248861504

約数和(自身を除く): 12687607586

約数列:

[1, 2, 17, 34, 8431, 16862, 75217, 143327, 150434, 286654, 1278689, 2557378, 634154527, 1268309054, 10780626959, 21561253918]

約数ペア:

[(1, 21561253918), (2, 10780626959), (17, 1268309054), (34, 634154527), (8431, 2557378), (16862, 1278689), (75217, 286654), (143327, 150434)]