21354584

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157019}}^1$

素因数の和:157042

約数の個数: 16

約数和(自身を含む): 42395400

約数和(自身を除く): 21040816

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157019, 314038, 628076, 1256152, 2669323, 5338646, 10677292, 21354584]

約数ペア:

[(1, 21354584), (2, 10677292), (4, 5338646), (8, 2669323), (17, 1256152), (34, 628076), (68, 314038), (136, 157019)]