21557822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{75377}}^1$

素因数の和:75403

約数の個数: 16

約数和(自身を含む): 37990512

約数和(自身を除く): 16432690

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 75377, 150754, 829147, 979901, 1658294, 1959802, 10778911, 21557822]

約数ペア:

[(1, 21557822), (2, 10778911), (11, 1959802), (13, 1658294), (22, 979901), (26, 829147), (143, 150754), (286, 75377)]