21541923

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{4721}}^1$

素因数の和:4756

約数の個数: 24

約数和(自身を含む): 34565040

約数和(自身を除く): 13023117

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 4721, 14163, 42489, 61373, 127467, 184119, 552357, 797849, 1657071, 2393547, 7180641, 21541923]

約数ペア:

[(1, 21541923), (3, 7180641), (9, 2393547), (13, 1657071), (27, 797849), (39, 552357), (117, 184119), (169, 127467), (351, 61373), (507, 42489), (1521, 14163), (4563, 4721)]