21970888

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1231}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 43464960

約数和(自身を除く): 21494072

約数列:

[1, 2, 4, 8, 23, 46, 92, 97, 184, 194, 388, 776, 1231, 2231, 2462, 4462, 4924, 8924, 9848, 17848, 28313, 56626, 113252, 119407, 226504, 238814, 477628, 955256, 2746361, 5492722, 10985444, 21970888]

約数ペア:

[(1, 21970888), (2, 10985444), (4, 5492722), (8, 2746361), (23, 955256), (46, 477628), (92, 238814), (97, 226504), (184, 119407), (194, 113252), (388, 56626), (776, 28313), (1231, 17848), (2231, 9848), (2462, 8924), (4462, 4924)]