21254076

素因数分解:

$2^2\times 3^4\times {\mathrm{65599}}^1$

素因数の和:65615

約数の個数: 30

約数和(自身を含む): 55563200

約数和(自身を除く): 34309124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65599, 131198, 196797, 262396, 393594, 590391, 787188, 1180782, 1771173, 2361564, 3542346, 5313519, 7084692, 10627038, 21254076]

約数ペア:

[(1, 21254076), (2, 10627038), (3, 7084692), (4, 5313519), (6, 3542346), (9, 2361564), (12, 1771173), (18, 1180782), (27, 787188), (36, 590391), (54, 393594), (81, 262396), (108, 196797), (162, 131198), (324, 65599)]