21564732

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{256723}}^1$

素因数の和:256737

約数の個数: 24

約数和(自身を含む): 57506176

約数和(自身を除く): 35941444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 256723, 513446, 770169, 1026892, 1540338, 1797061, 3080676, 3594122, 5391183, 7188244, 10782366, 21564732]

約数ペア:

[(1, 21564732), (2, 10782366), (3, 7188244), (4, 5391183), (6, 3594122), (7, 3080676), (12, 1797061), (14, 1540338), (21, 1026892), (28, 770169), (42, 513446), (84, 256723)]