21803193

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 32864832

約数和(自身を除く): 11061639

約数列:

[1, 3, 9, 43, 53, 129, 159, 387, 477, 1063, 2279, 3189, 6837, 9567, 20511, 45709, 56339, 137127, 169017, 411381, 507051, 2422577, 7267731, 21803193]

約数ペア:

[(1, 21803193), (3, 7267731), (9, 2422577), (43, 507051), (53, 411381), (129, 169017), (159, 137127), (387, 56339), (477, 45709), (1063, 20511), (2279, 9567), (3189, 6837)]