21544754

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139901}}^1$

素因数の和:139921

約数の個数: 16

約数和(自身を含む): 40291776

約数和(自身を除く): 18747022

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 139901, 279802, 979307, 1538911, 1958614, 3077822, 10772377, 21544754]

約数ペア:

[(1, 21544754), (2, 10772377), (7, 3077822), (11, 1958614), (14, 1538911), (22, 979307), (77, 279802), (154, 139901)]