21009493439

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1780013}}^1$

素因数の和:1780090

約数の個数: 16

約数和(自身を含む): 24350591520

約数和(自身を除く): 3341098081

約数列:

[1, 11, 29, 37, 319, 407, 1073, 11803, 1780013, 19580143, 51620377, 65860481, 567824147, 724465291, 1909953949, 21009493439]

約数ペア:

[(1, 21009493439), (11, 1909953949), (29, 724465291), (37, 567824147), (319, 65860481), (407, 51620377), (1073, 19580143), (11803, 1780013)]