21123156967

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1\times {\mathrm{8543}}^1$

素因数の和:8943

約数の個数: 32

約数和(自身を含む): 24951214080

約数和(自身を除く): 3828057113

約数列:

[1, 11, 23, 29, 253, 319, 337, 667, 3707, 7337, 7751, 8543, 9773, 85261, 93973, 107503, 196489, 224779, 247747, 2161379, 2472569, 2725217, 2878991, 5698181, 31668901, 62679991, 66216793, 83490739, 728384723, 918398129, 1920286997, 21123156967]

約数ペア:

[(1, 21123156967), (11, 1920286997), (23, 918398129), (29, 728384723), (253, 83490739), (319, 66216793), (337, 62679991), (667, 31668901), (3707, 5698181), (7337, 2878991), (7751, 2725217), (8543, 2472569), (9773, 2161379), (85261, 247747), (93973, 224779), (107503, 196489)]