21515104

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51719}}^1$

素因数の和:51742

約数の個数: 24

約数和(自身を含む): 45617040

約数和(自身を除く): 24101936

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51719, 103438, 206876, 413752, 672347, 827504, 1344694, 1655008, 2689388, 5378776, 10757552, 21515104]

約数ペア:

[(1, 21515104), (2, 10757552), (4, 5378776), (8, 2689388), (13, 1655008), (16, 1344694), (26, 827504), (32, 672347), (52, 413752), (104, 206876), (208, 103438), (416, 51719)]