21286624712

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{1039}}^1\times {\mathrm{59557}}^1$

素因数の和:60645

約数の個数: 32

約数和(自身を含む): 40880611200

約数和(自身を除く): 19593986488

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 1039, 2078, 4156, 8312, 44677, 59557, 89354, 119114, 178708, 238228, 357416, 476456, 2560951, 5121902, 10243804, 20487608, 61879723, 123759446, 247518892, 495037784, 2660828089, 5321656178, 10643312356, 21286624712]

約数ペア:

[(1, 21286624712), (2, 10643312356), (4, 5321656178), (8, 2660828089), (43, 495037784), (86, 247518892), (172, 123759446), (344, 61879723), (1039, 20487608), (2078, 10243804), (4156, 5121902), (8312, 2560951), (44677, 476456), (59557, 357416), (89354, 238228), (119114, 178708)]