21449384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3433}}^1$

素因数の和:3521

約数の個数: 32

約数和(自身を含む): 44504640

約数和(自身を除く): 23055256

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3433, 6248, 6866, 13732, 27464, 37763, 75526, 151052, 243743, 302104, 487486, 974972, 1949944, 2681173, 5362346, 10724692, 21449384]

約数ペア:

[(1, 21449384), (2, 10724692), (4, 5362346), (8, 2681173), (11, 1949944), (22, 974972), (44, 487486), (71, 302104), (88, 243743), (142, 151052), (284, 75526), (568, 37763), (781, 27464), (1562, 13732), (3124, 6866), (3433, 6248)]