21152392

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{64489}}^1$

素因数の和:64536

約数の個数: 16

約数和(自身を含む): 40628700

約数和(自身を除く): 19476308

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 64489, 128978, 257956, 515912, 2644049, 5288098, 10576196, 21152392]

約数ペア:

[(1, 21152392), (2, 10576196), (4, 5288098), (8, 2644049), (41, 515912), (82, 257956), (164, 128978), (328, 64489)]