21372828

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^2\times {\mathrm{1301}}^1$

素因数の和:1382

約数の個数: 36

約数和(自身を含む): 51293592

約数和(自身を除く): 29920764

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 1301, 1369, 2602, 2738, 3903, 4107, 5204, 5476, 7806, 8214, 15612, 16428, 48137, 96274, 144411, 192548, 288822, 577644, 1781069, 3562138, 5343207, 7124276, 10686414, 21372828]

約数ペア:

[(1, 21372828), (2, 10686414), (3, 7124276), (4, 5343207), (6, 3562138), (12, 1781069), (37, 577644), (74, 288822), (111, 192548), (148, 144411), (222, 96274), (444, 48137), (1301, 16428), (1369, 15612), (2602, 8214), (2738, 7806), (3903, 5476), (4107, 5204)]