21074141

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2687}}^1$

素因数の和:2752

約数の個数: 16

約数和(自身を含む): 24772608

約数和(自身を除く): 3698467

約数列:

[1, 11, 23, 31, 253, 341, 713, 2687, 7843, 29557, 61801, 83297, 679811, 916267, 1915831, 21074141]

約数ペア:

[(1, 21074141), (11, 1915831), (23, 916267), (31, 679811), (253, 83297), (341, 61801), (713, 29557), (2687, 7843)]