21715486

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1567}}^1$

素因数の和:1636

約数の個数: 24

約数和(自身を含む): 36154944

約数和(自身を除く): 14439458

約数列:

[1, 2, 13, 26, 41, 82, 169, 338, 533, 1066, 1567, 3134, 6929, 13858, 20371, 40742, 64247, 128494, 264823, 529646, 835211, 1670422, 10857743, 21715486]

約数ペア:

[(1, 21715486), (2, 10857743), (13, 1670422), (26, 835211), (41, 529646), (82, 264823), (169, 128494), (338, 64247), (533, 40742), (1066, 20371), (1567, 13858), (3134, 6929)]