21730696

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{16073}}^1$

素因数の和:16105

約数の個数: 24

約数和(自身を含む): 44123130

約数和(自身を除く): 22392434

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 16073, 32146, 64292, 128584, 208949, 417898, 835796, 1671592, 2716337, 5432674, 10865348, 21730696]

約数ペア:

[(1, 21730696), (2, 10865348), (4, 5432674), (8, 2716337), (13, 1671592), (26, 835796), (52, 417898), (104, 208949), (169, 128584), (338, 64292), (676, 32146), (1352, 16073)]