21774148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6779}}^1$

素因数の和:6867

約数の個数: 24

約数和(自身を含む): 42144480

約数和(自身を除く): 20370332

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6779, 13558, 27116, 74569, 149138, 298276, 494867, 989734, 1979468, 5443537, 10887074, 21774148]

約数ペア:

[(1, 21774148), (2, 10887074), (4, 5443537), (11, 1979468), (22, 989734), (44, 494867), (73, 298276), (146, 149138), (292, 74569), (803, 27116), (1606, 13558), (3212, 6779)]