21200024

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{16879}}^1$

素因数の和:17042

約数の個数: 16

約数和(自身を含む): 40005600

約数和(自身を除く): 18805576

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 16879, 33758, 67516, 135032, 2650003, 5300006, 10600012, 21200024]

約数ペア:

[(1, 21200024), (2, 10600012), (4, 5300006), (8, 2650003), (157, 135032), (314, 67516), (628, 33758), (1256, 16879)]