21604732

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{599}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 38707200

約数和(自身を除く): 17102468

約数列:

[1, 2, 4, 71, 127, 142, 254, 284, 508, 599, 1198, 2396, 9017, 18034, 36068, 42529, 76073, 85058, 152146, 170116, 304292, 5401183, 10802366, 21604732]

約数ペア:

[(1, 21604732), (2, 10802366), (4, 5401183), (71, 304292), (127, 170116), (142, 152146), (254, 85058), (284, 76073), (508, 42529), (599, 36068), (1198, 18034), (2396, 9017)]