21537768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128201}}^1$

素因数の和:128217

約数の個数: 32

約数和(自身を含む): 61536960

約数和(自身を除く): 39999192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128201, 256402, 384603, 512804, 769206, 897407, 1025608, 1538412, 1794814, 2692221, 3076824, 3589628, 5384442, 7179256, 10768884, 21537768]

約数ペア:

[(1, 21537768), (2, 10768884), (3, 7179256), (4, 5384442), (6, 3589628), (7, 3076824), (8, 2692221), (12, 1794814), (14, 1538412), (21, 1025608), (24, 897407), (28, 769206), (42, 512804), (56, 384603), (84, 256402), (168, 128201)]