20174515221

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1\times {\mathrm{21391}}^1$

素因数の和:21961

約数の個数: 32

約数和(自身を含む): 31127584768

約数和(自身を除く): 10953069547

約数列:

[1, 3, 7, 21, 97, 291, 463, 679, 1389, 2037, 3241, 9723, 21391, 44911, 64173, 134733, 149737, 314377, 449211, 943131, 2074927, 6224781, 9904033, 14524489, 29712099, 43573467, 69328231, 207984693, 960691201, 2882073603, 6724838407, 20174515221]

約数ペア:

[(1, 20174515221), (3, 6724838407), (7, 2882073603), (21, 960691201), (97, 207984693), (291, 69328231), (463, 43573467), (679, 29712099), (1389, 14524489), (2037, 9904033), (3241, 6224781), (9723, 2074927), (21391, 943131), (44911, 449211), (64173, 314377), (134733, 149737)]