21410192

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:527

約数の個数: 40

約数和(自身を含む): 43068672

約数和(自身を除く): 21658480

約数列:

[1, 2, 4, 8, 16, 47, 71, 94, 142, 188, 284, 376, 401, 568, 752, 802, 1136, 1604, 3208, 3337, 6416, 6674, 13348, 18847, 26696, 28471, 37694, 53392, 56942, 75388, 113884, 150776, 227768, 301552, 455536, 1338137, 2676274, 5352548, 10705096, 21410192]

約数ペア:

[(1, 21410192), (2, 10705096), (4, 5352548), (8, 2676274), (16, 1338137), (47, 455536), (71, 301552), (94, 227768), (142, 150776), (188, 113884), (284, 75388), (376, 56942), (401, 53392), (568, 37694), (752, 28471), (802, 26696), (1136, 18847), (1604, 13348), (3208, 6674), (3337, 6416)]