21598544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122719}}^1$

素因数の和:122738

約数の個数: 20

約数和(自身を含む): 45651840

約数和(自身を除く): 24053296

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122719, 245438, 490876, 981752, 1349909, 1963504, 2699818, 5399636, 10799272, 21598544]

約数ペア:

[(1, 21598544), (2, 10799272), (4, 5399636), (8, 2699818), (11, 1963504), (16, 1349909), (22, 981752), (44, 490876), (88, 245438), (176, 122719)]