21523139

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{643}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 25038720

約数和(自身を除く): 3515581

約数列:

[1, 11, 17, 179, 187, 643, 1969, 3043, 7073, 10931, 33473, 115097, 120241, 1266067, 1956649, 21523139]

約数ペア:

[(1, 21523139), (11, 1956649), (17, 1266067), (179, 120241), (187, 115097), (643, 33473), (1969, 10931), (3043, 7073)]