21535752

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128189}}^1$

素因数の和:128205

約数の個数: 32

約数和(自身を含む): 61531200

約数和(自身を除く): 39995448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128189, 256378, 384567, 512756, 769134, 897323, 1025512, 1538268, 1794646, 2691969, 3076536, 3589292, 5383938, 7178584, 10767876, 21535752]

約数ペア:

[(1, 21535752), (2, 10767876), (3, 7178584), (4, 5383938), (6, 3589292), (7, 3076536), (8, 2691969), (12, 1794646), (14, 1538268), (21, 1025512), (24, 897323), (28, 769134), (42, 512756), (56, 384567), (84, 256378), (168, 128189)]