21959276

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 39285120

約数和(自身を除く): 17325844

約数列:

[1, 2, 4, 73, 146, 157, 292, 314, 479, 628, 958, 1916, 11461, 22922, 34967, 45844, 69934, 75203, 139868, 150406, 300812, 5489819, 10979638, 21959276]

約数ペア:

[(1, 21959276), (2, 10979638), (4, 5489819), (73, 300812), (146, 150406), (157, 139868), (292, 75203), (314, 69934), (479, 45844), (628, 34967), (958, 22922), (1916, 11461)]