21500451

素因数分解:

$3^3\times 7^1\times {\mathrm{113759}}^1$

素因数の和:113775

約数の個数: 16

約数和(自身を含む): 36403200

約数和(自身を除く): 14902749

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 113759, 341277, 796313, 1023831, 2388939, 3071493, 7166817, 21500451]

約数ペア:

[(1, 21500451), (3, 7166817), (7, 3071493), (9, 2388939), (21, 1023831), (27, 796313), (63, 341277), (189, 113759)]