21517594

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{52999}}^1$

素因数の和:53037

約数の個数: 16

約数和(自身を含む): 38160000

約数和(自身を除く): 16642406

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 52999, 105998, 370993, 741986, 1536971, 3073942, 10758797, 21517594]

約数ペア:

[(1, 21517594), (2, 10758797), (7, 3073942), (14, 1536971), (29, 741986), (58, 370993), (203, 105998), (406, 52999)]