21330530672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121196197}}^1$

素因数の和:121196216

約数の個数: 20

約数和(自身を含む): 45084985656

約数和(自身を除く): 23754454984

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121196197, 242392394, 484784788, 969569576, 1333158167, 1939139152, 2666316334, 5332632668, 10665265336, 21330530672]

約数ペア:

[(1, 21330530672), (2, 10665265336), (4, 5332632668), (8, 2666316334), (11, 1939139152), (16, 1333158167), (22, 969569576), (44, 484784788), (88, 242392394), (176, 121196197)]