121921807

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{21799}}^1$

素因数の和:21870

約数の個数: 16

約数和(自身を含む): 150681600

約数和(自身を除く): 28759793

約数列:

[1, 7, 17, 47, 119, 329, 799, 5593, 21799, 152593, 370583, 1024553, 2594081, 7171871, 17417401, 121921807]

約数ペア:

[(1, 121921807), (7, 17417401), (17, 7171871), (47, 2594081), (119, 1024553), (329, 370583), (799, 152593), (5593, 21799)]