21689808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{64553}}^1$

素因数の和:64571

約数の個数: 40

約数和(自身を含む): 64037568

約数和(自身を除く): 42347760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 64553, 129106, 193659, 258212, 387318, 451871, 516424, 774636, 903742, 1032848, 1355613, 1549272, 1807484, 2711226, 3098544, 3614968, 5422452, 7229936, 10844904, 21689808]

約数ペア:

[(1, 21689808), (2, 10844904), (3, 7229936), (4, 5422452), (6, 3614968), (7, 3098544), (8, 2711226), (12, 1807484), (14, 1549272), (16, 1355613), (21, 1032848), (24, 903742), (28, 774636), (42, 516424), (48, 451871), (56, 387318), (84, 258212), (112, 193659), (168, 129106), (336, 64553)]