21133882

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3709}}^1$

素因数の和:3766

約数の個数: 32

約数和(自身を含む): 40602240

約数和(自身を除く): 19468358

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3709, 5698, 7418, 25963, 40799, 51926, 81598, 137233, 274466, 285593, 571186, 960631, 1509563, 1921262, 3019126, 10566941, 21133882]

約数ペア:

[(1, 21133882), (2, 10566941), (7, 3019126), (11, 1921262), (14, 1509563), (22, 960631), (37, 571186), (74, 285593), (77, 274466), (154, 137233), (259, 81598), (407, 51926), (518, 40799), (814, 25963), (2849, 7418), (3709, 5698)]