21966152

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{211213}}^1$

素因数の和:211232

約数の個数: 16

約数和(自身を含む): 44354940

約数和(自身を除く): 22388788

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 211213, 422426, 844852, 1689704, 2745769, 5491538, 10983076, 21966152]

約数ペア:

[(1, 21966152), (2, 10983076), (4, 5491538), (8, 2745769), (13, 1689704), (26, 844852), (52, 422426), (104, 211213)]