21263616

素因数分解:

$2^8\times 3^2\times {\mathrm{11}}^1\times {\mathrm{839}}^1$

素因数の和:872

約数の個数: 108

約数和(自身を含む): 66961440

約数和(自身を除く): 45697824

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 128, 132, 144, 176, 192, 198, 256, 264, 288, 352, 384, 396, 528, 576, 704, 768, 792, 839, 1056, 1152, 1408, 1584, 1678, 2112, 2304, 2517, 2816, 3168, 3356, 4224, 5034, 6336, 6712, 7551, 8448, 9229, 10068, 12672, 13424, 15102, 18458, 20136, 25344, 26848, 27687, 30204, 36916, 40272, 53696, 55374, 60408, 73832, 80544, 83061, 107392, 110748, 120816, 147664, 161088, 166122, 214784, 221496, 241632, 295328, 322176, 332244, 442992, 483264, 590656, 644352, 664488, 885984, 966528, 1181312, 1328976, 1771968, 1933056, 2362624, 2657952, 3543936, 5315904, 7087872, 10631808, 21263616]

約数ペア:

[(1, 21263616), (2, 10631808), (3, 7087872), (4, 5315904), (6, 3543936), (8, 2657952), (9, 2362624), (11, 1933056), (12, 1771968), (16, 1328976), (18, 1181312), (22, 966528), (24, 885984), (32, 664488), (33, 644352), (36, 590656), (44, 483264), (48, 442992), (64, 332244), (66, 322176), (72, 295328), (88, 241632), (96, 221496), (99, 214784), (128, 166122), (132, 161088), (144, 147664), (176, 120816), (192, 110748), (198, 107392), (256, 83061), (264, 80544), (288, 73832), (352, 60408), (384, 55374), (396, 53696), (528, 40272), (576, 36916), (704, 30204), (768, 27687), (792, 26848), (839, 25344), (1056, 20136), (1152, 18458), (1408, 15102), (1584, 13424), (1678, 12672), (2112, 10068), (2304, 9229), (2517, 8448), (2816, 7551), (3168, 6712), (3356, 6336), (4224, 5034)]