21801366824

素因数分解:

$2^3\times {\mathrm{1409}}^1\times {\mathrm{1934117}}^1$

素因数の和:1935532

約数の個数: 16

約数和(自身を含む): 40906595700

約数和(自身を除く): 19105228876

約数列:

[1, 2, 4, 8, 1409, 2818, 5636, 11272, 1934117, 3868234, 7736468, 15472936, 2725170853, 5450341706, 10900683412, 21801366824]

約数ペア:

[(1, 21801366824), (2, 10900683412), (4, 5450341706), (8, 2725170853), (1409, 15472936), (2818, 7736468), (5636, 3868234), (11272, 1934117)]