21240228

素因数分解:

$2^2\times 3^1\times {\mathrm{281}}^1\times {\mathrm{6299}}^1$

素因数の和:6587

約数の個数: 24

約数和(自身を含む): 49744800

約数和(自身を除く): 28504572

約数列:

[1, 2, 3, 4, 6, 12, 281, 562, 843, 1124, 1686, 3372, 6299, 12598, 18897, 25196, 37794, 75588, 1770019, 3540038, 5310057, 7080076, 10620114, 21240228]

約数ペア:

[(1, 21240228), (2, 10620114), (3, 7080076), (4, 5310057), (6, 3540038), (12, 1770019), (281, 75588), (562, 37794), (843, 25196), (1124, 18897), (1686, 12598), (3372, 6299)]