21219484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37097}}^1$

素因数の和:37125

約数の個数: 24

約数和(自身を含む): 43627248

約数和(自身を除く): 22407764

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37097, 74194, 148388, 408067, 482261, 816134, 964522, 1632268, 1929044, 5304871, 10609742, 21219484]

約数ペア:

[(1, 21219484), (2, 10609742), (4, 5304871), (11, 1929044), (13, 1632268), (22, 964522), (26, 816134), (44, 482261), (52, 408067), (143, 148388), (286, 74194), (572, 37097)]