21168329

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6287}}^1$

素因数の和:6344

約数の個数: 16

約数和(自身を含む): 26761728

約数和(自身を除く): 5593399

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 6287, 44009, 81731, 232619, 572117, 1628333, 3024047, 21168329]

約数ペア:

[(1, 21168329), (7, 3024047), (13, 1628333), (37, 572117), (91, 232619), (259, 81731), (481, 44009), (3367, 6287)]