21380676

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 51480576

約数和(自身を除く): 30099900

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 167, 188, 227, 282, 334, 454, 501, 564, 668, 681, 908, 1002, 1362, 2004, 2724, 7849, 10669, 15698, 21338, 23547, 31396, 32007, 37909, 42676, 47094, 64014, 75818, 94188, 113727, 128028, 151636, 227454, 454908, 1781723, 3563446, 5345169, 7126892, 10690338, 21380676]

約数ペア:

[(1, 21380676), (2, 10690338), (3, 7126892), (4, 5345169), (6, 3563446), (12, 1781723), (47, 454908), (94, 227454), (141, 151636), (167, 128028), (188, 113727), (227, 94188), (282, 75818), (334, 64014), (454, 47094), (501, 42676), (564, 37909), (668, 32007), (681, 31396), (908, 23547), (1002, 21338), (1362, 15698), (2004, 10669), (2724, 7849)]