21000918158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{142327}}^1$

素因数の和:142712

約数の個数: 32

約数和(自身を含む): 36276560640

約数和(自身を除く): 15275642482

約数列:

[1, 2, 11, 19, 22, 38, 209, 353, 418, 706, 3883, 6707, 7766, 13414, 73777, 142327, 147554, 284654, 1565597, 2704213, 3131194, 5408426, 29746343, 50241431, 59492686, 100482862, 552655741, 954587189, 1105311482, 1909174378, 10500459079, 21000918158]

約数ペア:

[(1, 21000918158), (2, 10500459079), (11, 1909174378), (19, 1105311482), (22, 954587189), (38, 552655741), (209, 100482862), (353, 59492686), (418, 50241431), (706, 29746343), (3883, 5408426), (6707, 3131194), (7766, 2704213), (13414, 1565597), (73777, 284654), (142327, 147554)]