21504704

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25847}}^1$

素因数の和:25872

約数の個数: 28

約数和(自身を含む): 45957744

約数和(自身を除く): 24453040

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25847, 51694, 103388, 206776, 336011, 413552, 672022, 827104, 1344044, 1654208, 2688088, 5376176, 10752352, 21504704]

約数ペア:

[(1, 21504704), (2, 10752352), (4, 5376176), (8, 2688088), (13, 1654208), (16, 1344044), (26, 827104), (32, 672022), (52, 413552), (64, 336011), (104, 206776), (208, 103388), (416, 51694), (832, 25847)]