21303832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2221}}^1$

素因数の和:2347

約数の個数: 32

約数和(自身を含む): 43995600

約数和(自身を除く): 22691768

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 2221, 2398, 4442, 4796, 8884, 9592, 17768, 24431, 48862, 97724, 195448, 242089, 484178, 968356, 1936712, 2662979, 5325958, 10651916, 21303832]

約数ペア:

[(1, 21303832), (2, 10651916), (4, 5325958), (8, 2662979), (11, 1936712), (22, 968356), (44, 484178), (88, 242089), (109, 195448), (218, 97724), (436, 48862), (872, 24431), (1199, 17768), (2221, 9592), (2398, 8884), (4442, 4796)]