21130412

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 37676352

約数和(自身を除く): 16545940

約数列:

[1, 2, 4, 101, 193, 202, 271, 386, 404, 542, 772, 1084, 19493, 27371, 38986, 52303, 54742, 77972, 104606, 109484, 209212, 5282603, 10565206, 21130412]

約数ペア:

[(1, 21130412), (2, 10565206), (4, 5282603), (101, 209212), (193, 109484), (202, 104606), (271, 77972), (386, 54742), (404, 52303), (542, 38986), (772, 27371), (1084, 19493)]