21538426

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{118343}}^1$

素因数の和:118365

約数の個数: 16

約数和(自身を含む): 39763584

約数和(自身を除く): 18225158

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 118343, 236686, 828401, 1538459, 1656802, 3076918, 10769213, 21538426]

約数ペア:

[(1, 21538426), (2, 10769213), (7, 3076918), (13, 1656802), (14, 1538459), (26, 828401), (91, 236686), (182, 118343)]