21143870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1151}}^1$

素因数の和:1336

約数の個数: 32

約数和(自身を含む): 41803776

約数和(自身を除く): 20659906

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 167, 334, 835, 1151, 1670, 1837, 2302, 3674, 5755, 9185, 11510, 12661, 18370, 25322, 63305, 126610, 192217, 384434, 961085, 1922170, 2114387, 4228774, 10571935, 21143870]

約数ペア:

[(1, 21143870), (2, 10571935), (5, 4228774), (10, 2114387), (11, 1922170), (22, 961085), (55, 384434), (110, 192217), (167, 126610), (334, 63305), (835, 25322), (1151, 18370), (1670, 12661), (1837, 11510), (2302, 9185), (3674, 5755)]