21850347

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{439}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 29905920

約数和(自身を除く): 8055573

約数列:

[1, 3, 47, 141, 353, 439, 1059, 1317, 16591, 20633, 49773, 61899, 154967, 464901, 7283449, 21850347]

約数ペア:

[(1, 21850347), (3, 7283449), (47, 464901), (141, 154967), (353, 61899), (439, 49773), (1059, 20633), (1317, 16591)]