21062503

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1699}}^1$

素因数の和:1747

約数の個数: 24

約数和(自身を含む): 27907200

約数和(自身を除く): 6844697

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1699, 1771, 11893, 12397, 18689, 39077, 83251, 130823, 273539, 429847, 915761, 1914773, 3008929, 21062503]

約数ペア:

[(1, 21062503), (7, 3008929), (11, 1914773), (23, 915761), (49, 429847), (77, 273539), (161, 130823), (253, 83251), (539, 39077), (1127, 18689), (1699, 12397), (1771, 11893)]