21514129

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13907}}^1$

素因数の和:13944

約数の個数: 16

約数和(自身を含む): 28038528

約数和(自身を除く): 6524399

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 13907, 97349, 180791, 236419, 1265537, 1654933, 3073447, 21514129]

約数ペア:

[(1, 21514129), (7, 3073447), (13, 1654933), (17, 1265537), (91, 236419), (119, 180791), (221, 97349), (1547, 13907)]