21882393

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{2309}}^1$

素因数の和:2340

約数の個数: 28

約数和(自身を含む): 35347620

約数和(自身を除く): 13465227

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2309, 3159, 6927, 9477, 20781, 30017, 62343, 90051, 187029, 270153, 561087, 810459, 1683261, 2431377, 7294131, 21882393]

約数ペア:

[(1, 21882393), (3, 7294131), (9, 2431377), (13, 1683261), (27, 810459), (39, 561087), (81, 270153), (117, 187029), (243, 90051), (351, 62343), (729, 30017), (1053, 20781), (2309, 9477), (3159, 6927)]