21168312

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 58181760

約数和(自身を除く): 37013448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 181, 264, 362, 443, 543, 724, 886, 1086, 1329, 1448, 1772, 1991, 2172, 2658, 3544, 3982, 4344, 4873, 5316, 5973, 7964, 9746, 10632, 11946, 14619, 15928, 19492, 23892, 29238, 38984, 47784, 58476, 80183, 116952, 160366, 240549, 320732, 481098, 641464, 882013, 962196, 1764026, 1924392, 2646039, 3528052, 5292078, 7056104, 10584156, 21168312]

約数ペア:

[(1, 21168312), (2, 10584156), (3, 7056104), (4, 5292078), (6, 3528052), (8, 2646039), (11, 1924392), (12, 1764026), (22, 962196), (24, 882013), (33, 641464), (44, 481098), (66, 320732), (88, 240549), (132, 160366), (181, 116952), (264, 80183), (362, 58476), (443, 47784), (543, 38984), (724, 29238), (886, 23892), (1086, 19492), (1329, 15928), (1448, 14619), (1772, 11946), (1991, 10632), (2172, 9746), (2658, 7964), (3544, 5973), (3982, 5316), (4344, 4873)]