21270544

素因数分解:

$2^4\times {\mathrm{1153}}^2$

素因数の和:2314

約数の個数: 15

約数和(自身を含む): 41247453

約数和(自身を除く): 19976909

約数列:

[1, 2, 4, 8, 16, 1153, 2306, 4612, 9224, 18448, 1329409, 2658818, 5317636, 10635272, 21270544]

約数ペア:

[(1, 21270544), (2, 10635272), (4, 5317636), (8, 2658818), (16, 1329409), (1153, 18448), (2306, 9224)]