21000455242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42511043}}^1$

素因数の和:42511077

約数の個数: 16

約数和(自身を含む): 35709276960

約数和(自身を除く): 14708821718

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42511043, 85022086, 552643559, 807709817, 1105287118, 1615419634, 10500227621, 21000455242]

約数ペア:

[(1, 21000455242), (2, 10500227621), (13, 1615419634), (19, 1105287118), (26, 807709817), (38, 552643559), (247, 85022086), (494, 42511043)]