21017868

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{23993}}^1$

素因数の和:24073

約数の個数: 24

約数和(自身を含む): 49715568

約数和(自身を除く): 28697700

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438, 876, 23993, 47986, 71979, 95972, 143958, 287916, 1751489, 3502978, 5254467, 7005956, 10508934, 21017868]

約数ペア:

[(1, 21017868), (2, 10508934), (3, 7005956), (4, 5254467), (6, 3502978), (12, 1751489), (73, 287916), (146, 143958), (219, 95972), (292, 71979), (438, 47986), (876, 23993)]