21933392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{105449}}^1$

素因数の和:105470

約数の個数: 20

約数和(自身を含む): 45765300

約数和(自身を除く): 23831908

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 105449, 210898, 421796, 843592, 1370837, 1687184, 2741674, 5483348, 10966696, 21933392]

約数ペア:

[(1, 21933392), (2, 10966696), (4, 5483348), (8, 2741674), (13, 1687184), (16, 1370837), (26, 843592), (52, 421796), (104, 210898), (208, 105449)]