21254093

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{18859}}^1$

素因数の和:18896

約数の個数: 12

約数和(自身を含む): 25800480

約数和(自身を除く): 4546387

約数列:

[1, 7, 23, 49, 161, 1127, 18859, 132013, 433757, 924091, 3036299, 21254093]

約数ペア:

[(1, 21254093), (7, 3036299), (23, 924091), (49, 433757), (161, 132013), (1127, 18859)]