21167473653

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{138349501}}^1$

素因数の和:138349524

約数の個数: 12

約数和(自身を含む): 32373783468

約数和(自身を除く): 11206309815

約数列:

[1, 3, 9, 17, 51, 153, 138349501, 415048503, 1245145509, 2351941517, 7055824551, 21167473653]

約数ペア:

[(1, 21167473653), (3, 7055824551), (9, 2351941517), (17, 1245145509), (51, 415048503), (153, 138349501)]