21481572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{255733}}^1$

素因数の和:255747

約数の個数: 24

約数和(自身を含む): 57284416

約数和(自身を除く): 35802844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 255733, 511466, 767199, 1022932, 1534398, 1790131, 3068796, 3580262, 5370393, 7160524, 10740786, 21481572]

約数ペア:

[(1, 21481572), (2, 10740786), (3, 7160524), (4, 5370393), (6, 3580262), (7, 3068796), (12, 1790131), (14, 1534398), (21, 1022932), (28, 767199), (42, 511466), (84, 255733)]