21297512

素因数分解:

$2^3\times {\mathrm{631}}^1\times {\mathrm{4219}}^1$

素因数の和:4856

約数の個数: 16

約数和(自身を含む): 40005600

約数和(自身を除く): 18708088

約数列:

[1, 2, 4, 8, 631, 1262, 2524, 4219, 5048, 8438, 16876, 33752, 2662189, 5324378, 10648756, 21297512]

約数ペア:

[(1, 21297512), (2, 10648756), (4, 5324378), (8, 2662189), (631, 33752), (1262, 16876), (2524, 8438), (4219, 5048)]