21394547

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:350

約数の個数: 16

約数和(自身を含む): 23055360

約数和(自身を除く): 1660813

約数列:

[1, 29, 37, 127, 157, 1073, 3683, 4553, 4699, 5809, 19939, 136271, 168461, 578231, 737743, 21394547]

約数ペア:

[(1, 21394547), (29, 737743), (37, 578231), (127, 168461), (157, 136271), (1073, 19939), (3683, 5809), (4553, 4699)]