21992489278

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{66191}}^1$

素因数の和:66480

約数の個数: 32

約数和(自身を含む): 35686490112

約数和(自身を除く): 13694000834

約数列:

[1, 2, 23, 31, 46, 62, 233, 466, 713, 1426, 5359, 7223, 10718, 14446, 66191, 132382, 166129, 332258, 1522393, 2051921, 3044786, 4103842, 15422503, 30845006, 47194183, 94388366, 354717569, 478097593, 709435138, 956195186, 10996244639, 21992489278]

約数ペア:

[(1, 21992489278), (2, 10996244639), (23, 956195186), (31, 709435138), (46, 478097593), (62, 354717569), (233, 94388366), (466, 47194183), (713, 30845006), (1426, 15422503), (5359, 4103842), (7223, 3044786), (10718, 2051921), (14446, 1522393), (66191, 332258), (132382, 166129)]