21796627874

素因数分解:

$2^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{2515189}}^1$

素因数の和:2515817

約数の個数: 16

約数和(自身を含む): 37426027200

約数和(自身を除く): 15629399326

約数列:

[1, 2, 7, 14, 619, 1238, 4333, 8666, 2515189, 5030378, 17606323, 35212646, 1556901991, 3113803982, 10898313937, 21796627874]

約数ペア:

[(1, 21796627874), (2, 10898313937), (7, 3113803982), (14, 1556901991), (619, 35212646), (1238, 17606323), (4333, 5030378), (8666, 2515189)]