21098491635

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{726157}}^1$

素因数の和:726327

約数の個数: 32

約数和(自身を含む): 36598363200

約数和(自身を除く): 15499871565

約数列:

[1, 3, 5, 13, 15, 39, 65, 149, 195, 447, 745, 1937, 2235, 5811, 9685, 29055, 726157, 2178471, 3630785, 9440041, 10892355, 28320123, 47200205, 108197393, 141600615, 324592179, 540986965, 1406566109, 1622960895, 4219698327, 7032830545, 21098491635]

約数ペア:

[(1, 21098491635), (3, 7032830545), (5, 4219698327), (13, 1622960895), (15, 1406566109), (39, 540986965), (65, 324592179), (149, 141600615), (195, 108197393), (447, 47200205), (745, 28320123), (1937, 10892355), (2235, 9440041), (5811, 3630785), (9685, 2178471), (29055, 726157)]