20211087358

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131240827}}^1$

素因数の和:131240847

約数の個数: 16

約数和(自身を含む): 37797358464

約数和(自身を除く): 17586271106

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 131240827, 262481654, 918685789, 1443649097, 1837371578, 2887298194, 10105543679, 20211087358]

約数ペア:

[(1, 20211087358), (2, 10105543679), (7, 2887298194), (11, 1837371578), (14, 1443649097), (22, 918685789), (77, 262481654), (154, 131240827)]