21570681

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34403}}^1$

素因数の和:34436

約数の個数: 16

約数和(自身を含む): 33027840

約数和(自身を除く): 11457159

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34403, 103209, 378433, 653657, 1135299, 1960971, 7190227, 21570681]

約数ペア:

[(1, 21570681), (3, 7190227), (11, 1960971), (19, 1135299), (33, 653657), (57, 378433), (209, 103209), (627, 34403)]