21937292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1523}}^1$

素因数の和:1817

約数の個数: 24

約数和(自身を含む): 41519856

約数和(自身を除く): 19582564

約数列:

[1, 2, 4, 13, 26, 52, 277, 554, 1108, 1523, 3046, 3601, 6092, 7202, 14404, 19799, 39598, 79196, 421871, 843742, 1687484, 5484323, 10968646, 21937292]

約数ペア:

[(1, 21937292), (2, 10968646), (4, 5484323), (13, 1687484), (26, 843742), (52, 421871), (277, 79196), (554, 39598), (1108, 19799), (1523, 14404), (3046, 7202), (3601, 6092)]