21377073

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4337}}^1$

素因数の和:4424

約数の個数: 16

約数和(自身を含む): 29984256

約数和(自身を除く): 8607183

約数列:

[1, 3, 31, 53, 93, 159, 1643, 4337, 4929, 13011, 134447, 229861, 403341, 689583, 7125691, 21377073]

約数ペア:

[(1, 21377073), (3, 7125691), (31, 689583), (53, 403341), (93, 229861), (159, 134447), (1643, 13011), (4337, 4929)]