21024470

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23623}}^1$

素因数の和:23719

約数の個数: 16

約数和(自身を含む): 38270880

約数和(自身を除く): 17246410

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 23623, 47246, 118115, 236230, 2102447, 4204894, 10512235, 21024470]

約数ペア:

[(1, 21024470), (2, 10512235), (5, 4204894), (10, 2102447), (89, 236230), (178, 118115), (445, 47246), (890, 23623)]