21061402

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{1217}}^1$

素因数の和:1745

約数の個数: 16

約数和(自身を含む): 33543720

約数和(自身を除く): 12482318

約数列:

[1, 2, 17, 34, 509, 1018, 1217, 2434, 8653, 17306, 20689, 41378, 619453, 1238906, 10530701, 21061402]

約数ペア:

[(1, 21061402), (2, 10530701), (17, 1238906), (34, 619453), (509, 41378), (1018, 20689), (1217, 17306), (2434, 8653)]