21600213

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{499}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 29568000

約数和(自身を除く): 7967787

約数列:

[1, 3, 47, 141, 307, 499, 921, 1497, 14429, 23453, 43287, 70359, 153193, 459579, 7200071, 21600213]

約数ペア:

[(1, 21600213), (3, 7200071), (47, 459579), (141, 153193), (307, 70359), (499, 43287), (921, 23453), (1497, 14429)]