21888738

素因数分解:

$2^1\times 3^3\times {\mathrm{405347}}^1$

素因数の和:405358

約数の個数: 16

約数和(自身を含む): 48641760

約数和(自身を除く): 26753022

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 405347, 810694, 1216041, 2432082, 3648123, 7296246, 10944369, 21888738]

約数ペア:

[(1, 21888738), (2, 10944369), (3, 7296246), (6, 3648123), (9, 2432082), (18, 1216041), (27, 810694), (54, 405347)]