21244724

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{461}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 38303496

約数和(自身を除く): 17058772

約数列:

[1, 2, 4, 41, 82, 164, 281, 461, 562, 922, 1124, 1844, 11521, 18901, 23042, 37802, 46084, 75604, 129541, 259082, 518164, 5311181, 10622362, 21244724]

約数ペア:

[(1, 21244724), (2, 10622362), (4, 5311181), (41, 518164), (82, 259082), (164, 129541), (281, 75604), (461, 46084), (562, 37802), (922, 23042), (1124, 18901), (1844, 11521)]