21038072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239069}}^1$

素因数の和:239086

約数の個数: 16

約数和(自身を含む): 43032600

約数和(自身を除く): 21994528

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239069, 478138, 956276, 1912552, 2629759, 5259518, 10519036, 21038072]

約数ペア:

[(1, 21038072), (2, 10519036), (4, 5259518), (8, 2629759), (11, 1912552), (22, 956276), (44, 478138), (88, 239069)]