21809969146

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{26404321}}^1$

素因数の和:26404389

約数の個数: 16

約数和(自身を含む): 38022223680

約数和(自身を除く): 16212254534

約数列:

[1, 2, 7, 14, 59, 118, 413, 826, 26404321, 52808642, 184830247, 369660494, 1557854939, 3115709878, 10904984573, 21809969146]

約数ペア:

[(1, 21809969146), (2, 10904984573), (7, 3115709878), (14, 1557854939), (59, 369660494), (118, 184830247), (413, 52808642), (826, 26404321)]