21139313

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2333}}^1$

素因数の和:2404

約数の個数: 16

約数和(自身を含む): 24703056

約数和(自身を除く): 3563743

約数列:

[1, 13, 17, 41, 221, 533, 697, 2333, 9061, 30329, 39661, 95653, 515593, 1243489, 1626101, 21139313]

約数ペア:

[(1, 21139313), (13, 1626101), (17, 1243489), (41, 515593), (221, 95653), (533, 39661), (697, 30329), (2333, 9061)]