21861554

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6949}}^1$

素因数の和:6986

約数の個数: 24

約数和(自身を含む): 38822700

約数和(自身を除く): 16961146

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 1573, 3146, 6949, 13898, 76439, 90337, 152878, 180674, 840829, 993707, 1681658, 1987414, 10930777, 21861554]

約数ペア:

[(1, 21861554), (2, 10930777), (11, 1987414), (13, 1681658), (22, 993707), (26, 840829), (121, 180674), (143, 152878), (242, 90337), (286, 76439), (1573, 13898), (3146, 6949)]