21813920521

素因数分解:

${\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{743}}^1\times {\mathrm{3121}}^1$

素因数の和:4296

約数の個数: 16

約数和(自身を含む): 22856037120

約数和(自身を除く): 1042116599

約数列:

[1, 23, 409, 743, 3121, 9407, 17089, 71783, 303887, 1276489, 2318903, 6989401, 29359247, 53334769, 948431327, 21813920521]

約数ペア:

[(1, 21813920521), (23, 948431327), (409, 53334769), (743, 29359247), (3121, 6989401), (9407, 2318903), (17089, 1276489), (71783, 303887)]