21178344

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{80221}}^1$

素因数の和:80241

約数の個数: 32

約数和(自身を含む): 57759840

約数和(自身を除く): 36581496

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 80221, 160442, 240663, 320884, 481326, 641768, 882431, 962652, 1764862, 1925304, 2647293, 3529724, 5294586, 7059448, 10589172, 21178344]

約数ペア:

[(1, 21178344), (2, 10589172), (3, 7059448), (4, 5294586), (6, 3529724), (8, 2647293), (11, 1925304), (12, 1764862), (22, 962652), (24, 882431), (33, 641768), (44, 481326), (66, 320884), (88, 240663), (132, 160442), (264, 80221)]