21056308

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57847}}^1$

素因数の和:57871

約数の個数: 24

約数和(自身を含む): 45352832

約数和(自身を除く): 24296524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57847, 115694, 231388, 404929, 752011, 809858, 1504022, 1619716, 3008044, 5264077, 10528154, 21056308]

約数ペア:

[(1, 21056308), (2, 10528154), (4, 5264077), (7, 3008044), (13, 1619716), (14, 1504022), (26, 809858), (28, 752011), (52, 404929), (91, 231388), (182, 115694), (364, 57847)]