21445867

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 23208768

約数和(自身を除く): 1762901

約数列:

[1, 23, 53, 73, 241, 1219, 1679, 3869, 5543, 12773, 17593, 88987, 293779, 404639, 932429, 21445867]

約数ペア:

[(1, 21445867), (23, 932429), (53, 404639), (73, 293779), (241, 88987), (1219, 17593), (1679, 12773), (3869, 5543)]