21103857

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 10907343

約数列:

[1, 3, 9, 23, 69, 207, 269, 379, 807, 1137, 2421, 3411, 6187, 8717, 18561, 26151, 55683, 78453, 101951, 305853, 917559, 2344873, 7034619, 21103857]

約数ペア:

[(1, 21103857), (3, 7034619), (9, 2344873), (23, 917559), (69, 305853), (207, 101951), (269, 78453), (379, 55683), (807, 26151), (1137, 18561), (2421, 8717), (3411, 6187)]