21723507

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2237}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 34214544

約数和(自身を除く): 12491037

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 2237, 3237, 6711, 9711, 20133, 29081, 87243, 185671, 261729, 557013, 1671039, 2413723, 7241169, 21723507]

約数ペア:

[(1, 21723507), (3, 7241169), (9, 2413723), (13, 1671039), (39, 557013), (83, 261729), (117, 185671), (249, 87243), (747, 29081), (1079, 20133), (2237, 9711), (3237, 6711)]