21078842

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{4231}}^1$

素因数の和:4333

約数の個数: 16

約数和(自身を含む): 32908032

約数和(自身を除く): 11829190

約数列:

[1, 2, 47, 53, 94, 106, 2491, 4231, 4982, 8462, 198857, 224243, 397714, 448486, 10539421, 21078842]

約数ペア:

[(1, 21078842), (2, 10539421), (47, 448486), (53, 397714), (94, 224243), (106, 198857), (2491, 8462), (4231, 4982)]