21587524

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33521}}^1$

素因数の和:33555

約数の個数: 24

約数和(自身を含む): 45053568

約数和(自身を除く): 23466044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33521, 67042, 134084, 234647, 469294, 770983, 938588, 1541966, 3083932, 5396881, 10793762, 21587524]

約数ペア:

[(1, 21587524), (2, 10793762), (4, 5396881), (7, 3083932), (14, 1541966), (23, 938588), (28, 770983), (46, 469294), (92, 234647), (161, 134084), (322, 67042), (644, 33521)]