21254585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{1009}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 27924480

約数和(自身を除く): 6669895

約数列:

[1, 5, 11, 55, 383, 1009, 1915, 4213, 5045, 11099, 21065, 55495, 386447, 1932235, 4250917, 21254585]

約数ペア:

[(1, 21254585), (5, 4250917), (11, 1932235), (55, 386447), (383, 55495), (1009, 21065), (1915, 11099), (4213, 5045)]