21697241

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 23536128

約数和(自身を除く): 1838887

約数列:

[1, 31, 41, 43, 397, 1271, 1333, 1763, 12307, 16277, 17071, 54653, 504587, 529201, 699911, 21697241]

約数ペア:

[(1, 21697241), (31, 699911), (41, 529201), (43, 504587), (397, 54653), (1271, 17071), (1333, 16277), (1763, 12307)]