21111508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25253}}^1$

素因数の和:25287

約数の個数: 24

約数和(自身を含む): 42426720

約数和(自身を除く): 21315212

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25253, 50506, 101012, 277783, 479807, 555566, 959614, 1111132, 1919228, 5277877, 10555754, 21111508]

約数ペア:

[(1, 21111508), (2, 10555754), (4, 5277877), (11, 1919228), (19, 1111132), (22, 959614), (38, 555566), (44, 479807), (76, 277783), (209, 101012), (418, 50506), (836, 25253)]