21029294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73529}}^1$

素因数の和:73555

約数の個数: 16

約数和(自身を含む): 37059120

約数和(自身を除く): 16029826

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 73529, 147058, 808819, 955877, 1617638, 1911754, 10514647, 21029294]

約数ペア:

[(1, 21029294), (2, 10514647), (11, 1911754), (13, 1617638), (22, 955877), (26, 808819), (143, 147058), (286, 73529)]