21032007

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{409}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 28673760

約数和(自身を除く): 7641753

約数列:

[1, 3, 61, 183, 281, 409, 843, 1227, 17141, 24949, 51423, 74847, 114929, 344787, 7010669, 21032007]

約数ペア:

[(1, 21032007), (3, 7010669), (61, 344787), (183, 114929), (281, 74847), (409, 51423), (843, 24949), (1227, 17141)]