21075538

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{1193}}^1$

素因数の和:1290

約数の個数: 24

約数和(自身を含む): 35254044

約数和(自身を除く): 14178506

約数列:

[1, 2, 11, 22, 73, 121, 146, 242, 803, 1193, 1606, 2386, 8833, 13123, 17666, 26246, 87089, 144353, 174178, 288706, 957979, 1915958, 10537769, 21075538]

約数ペア:

[(1, 21075538), (2, 10537769), (11, 1915958), (22, 957979), (73, 288706), (121, 174178), (146, 144353), (242, 87089), (803, 26246), (1193, 17666), (1606, 13123), (2386, 8833)]