21477904

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10093}}^1$

素因数の和:10127

約数の個数: 40

約数和(自身を含む): 50066240

約数和(自身を除く): 28588336

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 10093, 20186, 40372, 70651, 80744, 141302, 161488, 191767, 282604, 383534, 565208, 767068, 1130416, 1342369, 1534136, 2684738, 3068272, 5369476, 10738952, 21477904]

約数ペア:

[(1, 21477904), (2, 10738952), (4, 5369476), (7, 3068272), (8, 2684738), (14, 1534136), (16, 1342369), (19, 1130416), (28, 767068), (38, 565208), (56, 383534), (76, 282604), (112, 191767), (133, 161488), (152, 141302), (266, 80744), (304, 70651), (532, 40372), (1064, 20186), (2128, 10093)]