21929284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{421717}}^1$

素因数の和:421734

約数の個数: 12

約数和(自身を含む): 41328364

約数和(自身を除く): 19399080

約数列:

[1, 2, 4, 13, 26, 52, 421717, 843434, 1686868, 5482321, 10964642, 21929284]

約数ペア:

[(1, 21929284), (2, 10964642), (4, 5482321), (13, 1686868), (26, 843434), (52, 421717)]