21717076

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7723}}^1$

素因数の和:7783

約数の個数: 24

約数和(自身を含む): 41091680

約数和(自身を除く): 19374604

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7723, 15446, 30892, 146737, 285751, 293474, 571502, 586948, 1143004, 5429269, 10858538, 21717076]

約数ペア:

[(1, 21717076), (2, 10858538), (4, 5429269), (19, 1143004), (37, 586948), (38, 571502), (74, 293474), (76, 285751), (148, 146737), (703, 30892), (1406, 15446), (2812, 7723)]