21294274

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{1031}}^1$

素因数の和:1505

約数の個数: 16

約数和(自身を含む): 33436800

約数和(自身を除く): 12142526

約数列:

[1, 2, 23, 46, 449, 898, 1031, 2062, 10327, 20654, 23713, 47426, 462919, 925838, 10647137, 21294274]

約数ペア:

[(1, 21294274), (2, 10647137), (23, 925838), (46, 462919), (449, 47426), (898, 23713), (1031, 20654), (2062, 10327)]