21389017

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 23905728

約数和(自身を除く): 2516711

約数列:

[1, 13, 43, 83, 461, 559, 1079, 3569, 5993, 19823, 38263, 46397, 257699, 497419, 1645309, 21389017]

約数ペア:

[(1, 21389017), (13, 1645309), (43, 497419), (83, 257699), (461, 46397), (559, 38263), (1079, 19823), (3569, 5993)]