21167123931

素因数分解:

$3^3\times {\mathrm{179}}^1\times {\mathrm{4379707}}^1$

素因数の和:4379895

約数の個数: 16

約数和(自身を含む): 31533897600

約数和(自身を除く): 10366773669

約数列:

[1, 3, 9, 27, 179, 537, 1611, 4833, 4379707, 13139121, 39417363, 118252089, 783967553, 2351902659, 7055707977, 21167123931]

約数ペア:

[(1, 21167123931), (3, 7055707977), (9, 2351902659), (27, 783967553), (179, 118252089), (537, 39417363), (1611, 13139121), (4833, 4379707)]