21931343

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 27438432

約数和(自身を除く): 5507089

約数列:

[1, 7, 17, 37, 119, 259, 289, 293, 629, 2023, 2051, 4403, 4981, 10693, 10841, 34867, 74851, 75887, 84677, 184297, 592739, 1290079, 3133049, 21931343]

約数ペア:

[(1, 21931343), (7, 3133049), (17, 1290079), (37, 592739), (119, 184297), (259, 84677), (289, 75887), (293, 74851), (629, 34867), (2023, 10841), (2051, 10693), (4403, 4981)]