21007129

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3583}}^1$

素因数の和:3648

約数の個数: 16

約数和(自身を含む): 25288704

約数和(自身を除く): 4281575

約数列:

[1, 11, 13, 41, 143, 451, 533, 3583, 5863, 39413, 46579, 146903, 512369, 1615933, 1909739, 21007129]

約数ペア:

[(1, 21007129), (11, 1909739), (13, 1615933), (41, 512369), (143, 146903), (451, 46579), (533, 39413), (3583, 5863)]