21319466

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{52511}}^1$

素因数の和:52549

約数の個数: 16

約数和(自身を含む): 37808640

約数和(自身を除く): 16489174

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 52511, 105022, 367577, 735154, 1522819, 3045638, 10659733, 21319466]

約数ペア:

[(1, 21319466), (2, 10659733), (7, 3045638), (14, 1522819), (29, 735154), (58, 367577), (203, 105022), (406, 52511)]