21995108014

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1\times {\mathrm{491}}^1$

素因数の和:1033

約数の個数: 64

約数和(自身を含む): 37202001408

約数和(自身を除く): 15206893394

約数列:

[1, 2, 11, 22, 53, 103, 106, 206, 373, 491, 583, 746, 982, 1133, 1166, 2266, 4103, 5401, 5459, 8206, 10802, 10918, 19769, 26023, 38419, 39538, 50573, 52046, 60049, 76838, 101146, 120098, 183143, 217459, 286253, 366286, 422609, 434918, 556303, 572506, 845218, 1112606, 2014573, 2036207, 2680369, 4029146, 4072414, 5360738, 9706579, 18863729, 19413158, 22398277, 29484059, 37727458, 44796554, 58968118, 106772369, 207501019, 213544738, 415002038, 999777637, 1999555274, 10997554007, 21995108014]

約数ペア:

[(1, 21995108014), (2, 10997554007), (11, 1999555274), (22, 999777637), (53, 415002038), (103, 213544738), (106, 207501019), (206, 106772369), (373, 58968118), (491, 44796554), (583, 37727458), (746, 29484059), (982, 22398277), (1133, 19413158), (1166, 18863729), (2266, 9706579), (4103, 5360738), (5401, 4072414), (5459, 4029146), (8206, 2680369), (10802, 2036207), (10918, 2014573), (19769, 1112606), (26023, 845218), (38419, 572506), (39538, 556303), (50573, 434918), (52046, 422609), (60049, 366286), (76838, 286253), (101146, 217459), (120098, 183143)]