21747584

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2393}}^1$

素因数の和:2478

約数の個数: 32

約数和(自身を含む): 43953840

約数和(自身を除く): 22206256

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2272, 2393, 4544, 4786, 9088, 9572, 19144, 38288, 76576, 153152, 169903, 306304, 339806, 679612, 1359224, 2718448, 5436896, 10873792, 21747584]

約数ペア:

[(1, 21747584), (2, 10873792), (4, 5436896), (8, 2718448), (16, 1359224), (32, 679612), (64, 339806), (71, 306304), (128, 169903), (142, 153152), (284, 76576), (568, 38288), (1136, 19144), (2272, 9572), (2393, 9088), (4544, 4786)]