21869104

素因数分解:

$2^4\times {\mathrm{719}}^1\times {\mathrm{1901}}^1$

素因数の和:2628

約数の個数: 20

約数和(自身を含む): 42452640

約数和(自身を除く): 20583536

約数列:

[1, 2, 4, 8, 16, 719, 1438, 1901, 2876, 3802, 5752, 7604, 11504, 15208, 30416, 1366819, 2733638, 5467276, 10934552, 21869104]

約数ペア:

[(1, 21869104), (2, 10934552), (4, 5467276), (8, 2733638), (16, 1366819), (719, 30416), (1438, 15208), (1901, 11504), (2876, 7604), (3802, 5752)]