21428534

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{14657}}^1$

素因数の和:14719

約数の個数: 16

約数和(自身を含む): 34827408

約数和(自身を除く): 13398874

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 14657, 29314, 249169, 498338, 630251, 1260502, 10714267, 21428534]

約数ペア:

[(1, 21428534), (2, 10714267), (17, 1260502), (34, 630251), (43, 498338), (86, 249169), (731, 29314), (1462, 14657)]