21888208809

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{83862869}}^1$

素因数の和:83862904

約数の個数: 12

約数和(自身を含む): 32706519300

約数和(自身を除く): 10818310491

約数列:

[1, 3, 9, 29, 87, 261, 83862869, 251588607, 754765821, 2432023201, 7296069603, 21888208809]

約数ペア:

[(1, 21888208809), (3, 7296069603), (9, 2432023201), (29, 754765821), (87, 251588607), (261, 83862869)]