21479344

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{3803}}^1$

素因数の和:4164

約数の個数: 20

約数和(自身を含む): 41745096

約数和(自身を除く): 20265752

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 3803, 5648, 7606, 15212, 30424, 60848, 1342459, 2684918, 5369836, 10739672, 21479344]

約数ペア:

[(1, 21479344), (2, 10739672), (4, 5369836), (8, 2684918), (16, 1342459), (353, 60848), (706, 30424), (1412, 15212), (2824, 7606), (3803, 5648)]