21000620184

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{5573413}}^1$

素因数の和:5573579

約数の個数: 32

約数和(自身を含む): 52835964720

約数和(自身を除く): 31835344536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 5573413, 11146826, 16720239, 22293652, 33440478, 44587304, 66880956, 133761912, 875025841, 1750051682, 2625077523, 3500103364, 5250155046, 7000206728, 10500310092, 21000620184]

約数ペア:

[(1, 21000620184), (2, 10500310092), (3, 7000206728), (4, 5250155046), (6, 3500103364), (8, 2625077523), (12, 1750051682), (24, 875025841), (157, 133761912), (314, 66880956), (471, 44587304), (628, 33440478), (942, 22293652), (1256, 16720239), (1884, 11146826), (3768, 5573413)]