21000894991

素因数分解:

${\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{48871}}^1$

素因数の和:49182

約数の個数: 16

約数和(自身を含む): 22069813248

約数和(自身を除く): 1068918257

約数列:

[1, 41, 47, 223, 1927, 9143, 10481, 48871, 429721, 2003711, 2296937, 10898233, 94174417, 446827553, 512216951, 21000894991]

約数ペア:

[(1, 21000894991), (41, 512216951), (47, 446827553), (223, 94174417), (1927, 10898233), (9143, 2296937), (10481, 2003711), (48871, 429721)]