21407854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{1427}}^1$

素因数の和:2019

約数の個数: 16

約数和(自身を含む): 34666128

約数和(自身を除く): 13258274

約数列:

[1, 2, 13, 26, 577, 1154, 1427, 2854, 7501, 15002, 18551, 37102, 823379, 1646758, 10703927, 21407854]

約数ペア:

[(1, 21407854), (2, 10703927), (13, 1646758), (26, 823379), (577, 37102), (1154, 18551), (1427, 15002), (2854, 7501)]