21495951364

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{1321}}^1\times {\mathrm{76757}}^1$

素因数の和:78135

約数の個数: 24

約数和(自身を含む): 38357200728

約数和(自身を除く): 16861249364

約数列:

[1, 2, 4, 53, 106, 212, 1321, 2642, 5284, 70013, 76757, 140026, 153514, 280052, 307028, 4068121, 8136242, 16272484, 101395997, 202791994, 405583988, 5373987841, 10747975682, 21495951364]

約数ペア:

[(1, 21495951364), (2, 10747975682), (4, 5373987841), (53, 405583988), (106, 202791994), (212, 101395997), (1321, 16272484), (2642, 8136242), (5284, 4068121), (70013, 307028), (76757, 280052), (140026, 153514)]