21265374

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{809}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 45995040

約数和(自身を除く): 24729666

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 337, 674, 809, 1011, 1618, 2022, 2427, 4381, 4854, 8762, 10517, 13143, 21034, 26286, 31551, 63102, 272633, 545266, 817899, 1635798, 3544229, 7088458, 10632687, 21265374]

約数ペア:

[(1, 21265374), (2, 10632687), (3, 7088458), (6, 3544229), (13, 1635798), (26, 817899), (39, 545266), (78, 272633), (337, 63102), (674, 31551), (809, 26286), (1011, 21034), (1618, 13143), (2022, 10517), (2427, 8762), (4381, 4854)]