21385657439

素因数分解:

${\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1\times {\mathrm{33931}}^1$

素因数の和:34430

約数の個数: 16

約数和(自身を含む): 22704579840

約数和(自身を除く): 1318922401

約数列:

[1, 23, 67, 409, 1541, 9407, 27403, 33931, 630269, 780413, 2273377, 13877779, 52287671, 319188917, 929811193, 21385657439]

約数ペア:

[(1, 21385657439), (23, 929811193), (67, 319188917), (409, 52287671), (1541, 13877779), (9407, 2273377), (27403, 780413), (33931, 630269)]