21605860428

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1\times {\mathrm{99469}}^1$

素因数の和:100286

約数の個数: 48

約数和(自身を含む): 52672945920

約数和(自身を除く): 31067085492

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 787, 1574, 2361, 3148, 4722, 9444, 18101, 36202, 54303, 72404, 99469, 108606, 198938, 217212, 298407, 397876, 596814, 1193628, 2287787, 4575574, 6863361, 9151148, 13726722, 27453444, 78282103, 156564206, 234846309, 313128412, 469692618, 939385236, 1800488369, 3600976738, 5401465107, 7201953476, 10802930214, 21605860428]

約数ペア:

[(1, 21605860428), (2, 10802930214), (3, 7201953476), (4, 5401465107), (6, 3600976738), (12, 1800488369), (23, 939385236), (46, 469692618), (69, 313128412), (92, 234846309), (138, 156564206), (276, 78282103), (787, 27453444), (1574, 13726722), (2361, 9151148), (3148, 6863361), (4722, 4575574), (9444, 2287787), (18101, 1193628), (36202, 596814), (54303, 397876), (72404, 298407), (99469, 217212), (108606, 198938)]