21776391

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8863}}^1$

素因数の和:8892

約数の個数: 32

約数和(自身を含む): 39710720

約数和(自身を除く): 17934329

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8863, 26589, 62041, 79767, 115219, 186123, 239301, 345657, 558369, 806533, 1036971, 1675107, 2419599, 3110913, 7258797, 21776391]

約数ペア:

[(1, 21776391), (3, 7258797), (7, 3110913), (9, 2419599), (13, 1675107), (21, 1036971), (27, 806533), (39, 558369), (63, 345657), (91, 239301), (117, 186123), (189, 115219), (273, 79767), (351, 62041), (819, 26589), (2457, 8863)]