21686966

素因数分解:

$2^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{4153}}^1$

素因数の和:4535

約数の個数: 16

約数和(自身を含む): 37286304

約数和(自身を除く): 15599338

約数列:

[1, 2, 7, 14, 373, 746, 2611, 4153, 5222, 8306, 29071, 58142, 1549069, 3098138, 10843483, 21686966]

約数ペア:

[(1, 21686966), (2, 10843483), (7, 3098138), (14, 1549069), (373, 58142), (746, 29071), (2611, 8306), (4153, 5222)]