21158514

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4759}}^1$

素因数の和:4799

約数の個数: 48

約数和(自身を含む): 51979200

約数和(自身を除く): 30820686

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 4759, 9518, 14277, 28554, 42831, 61867, 85662, 90421, 123734, 180842, 185601, 271263, 371202, 542526, 556803, 813789, 1113606, 1175473, 1627578, 2350946, 3526419, 7052838, 10579257, 21158514]

約数ペア:

[(1, 21158514), (2, 10579257), (3, 7052838), (6, 3526419), (9, 2350946), (13, 1627578), (18, 1175473), (19, 1113606), (26, 813789), (38, 556803), (39, 542526), (57, 371202), (78, 271263), (114, 185601), (117, 180842), (171, 123734), (234, 90421), (247, 85662), (342, 61867), (494, 42831), (741, 28554), (1482, 14277), (2223, 9518), (4446, 4759)]