21769503

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 35412480

約数和(自身を除く): 13642977

約数列:

[1, 3, 7, 17, 21, 51, 119, 211, 289, 357, 633, 867, 1477, 2023, 3587, 4431, 4913, 6069, 10761, 14739, 25109, 34391, 60979, 75327, 103173, 182937, 426853, 1036643, 1280559, 3109929, 7256501, 21769503]

約数ペア:

[(1, 21769503), (3, 7256501), (7, 3109929), (17, 1280559), (21, 1036643), (51, 426853), (119, 182937), (211, 103173), (289, 75327), (357, 60979), (633, 34391), (867, 25109), (1477, 14739), (2023, 10761), (3587, 6069), (4431, 4913)]