21184107

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53093}}^1$

素因数の和:53122

約数の個数: 16

約数和(自身を含む): 33980160

約数和(自身を除く): 12796053

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 53093, 159279, 371651, 1008767, 1114953, 3026301, 7061369, 21184107]

約数ペア:

[(1, 21184107), (3, 7061369), (7, 3026301), (19, 1114953), (21, 1008767), (57, 371651), (133, 159279), (399, 53093)]