21698958

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 44499456

約数和(自身を除く): 22800498

約数列:

[1, 2, 3, 6, 73, 107, 146, 214, 219, 321, 438, 463, 642, 926, 1389, 2778, 7811, 15622, 23433, 33799, 46866, 49541, 67598, 99082, 101397, 148623, 202794, 297246, 3616493, 7232986, 10849479, 21698958]

約数ペア:

[(1, 21698958), (2, 10849479), (3, 7232986), (6, 3616493), (73, 297246), (107, 202794), (146, 148623), (214, 101397), (219, 99082), (321, 67598), (438, 49541), (463, 46866), (642, 33799), (926, 23433), (1389, 15622), (2778, 7811)]