21001156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25121}}^1$

素因数の和:25155

約数の個数: 24

約数和(自身を含む): 42204960

約数和(自身を除く): 21203804

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25121, 50242, 100484, 276331, 477299, 552662, 954598, 1105324, 1909196, 5250289, 10500578, 21001156]

約数ペア:

[(1, 21001156), (2, 10500578), (4, 5250289), (11, 1909196), (19, 1105324), (22, 954598), (38, 552662), (44, 477299), (76, 276331), (209, 100484), (418, 50242), (836, 25121)]