21501032

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8929}}^1$

素因数の和:8985

約数の個数: 32

約数和(自身を含む): 47150400

約数和(自身を除く): 25649368

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8929, 17858, 35716, 62503, 71432, 125006, 250012, 383947, 500024, 767894, 1535788, 2687629, 3071576, 5375258, 10750516, 21501032]

約数ペア:

[(1, 21501032), (2, 10750516), (4, 5375258), (7, 3071576), (8, 2687629), (14, 1535788), (28, 767894), (43, 500024), (56, 383947), (86, 250012), (172, 125006), (301, 71432), (344, 62503), (602, 35716), (1204, 17858), (2408, 8929)]