21865129

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1429}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 4080791

約数列:

[1, 11, 13, 107, 143, 1177, 1391, 1429, 15301, 15719, 18577, 152903, 204347, 1681933, 1987739, 21865129]

約数ペア:

[(1, 21865129), (11, 1987739), (13, 1681933), (107, 204347), (143, 152903), (1177, 18577), (1391, 15719), (1429, 15301)]