21420912

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{19403}}^1$

素因数の和:19437

約数の個数: 40

約数和(自身を含む): 57746304

約数和(自身を除く): 36325392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 19403, 38806, 58209, 77612, 116418, 155224, 232836, 310448, 446269, 465672, 892538, 931344, 1338807, 1785076, 2677614, 3570152, 5355228, 7140304, 10710456, 21420912]

約数ペア:

[(1, 21420912), (2, 10710456), (3, 7140304), (4, 5355228), (6, 3570152), (8, 2677614), (12, 1785076), (16, 1338807), (23, 931344), (24, 892538), (46, 465672), (48, 446269), (69, 310448), (92, 232836), (138, 155224), (184, 116418), (276, 77612), (368, 58209), (552, 38806), (1104, 19403)]