21609967616

素因数分解:

$2^{12}\times {\mathrm{431}}^1\times {\mathrm{12241}}^1$

素因数の和:12696

約数の個数: 52

約数和(自身を含む): 43318463904

約数和(自身を除く): 21708496288

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 431, 512, 862, 1024, 1724, 2048, 3448, 4096, 6896, 12241, 13792, 24482, 27584, 48964, 55168, 97928, 110336, 195856, 220672, 391712, 441344, 783424, 882688, 1566848, 1765376, 3133696, 5275871, 6267392, 10551742, 12534784, 21103484, 25069568, 42206968, 50139136, 84413936, 168827872, 337655744, 675311488, 1350622976, 2701245952, 5402491904, 10804983808, 21609967616]

約数ペア:

[(1, 21609967616), (2, 10804983808), (4, 5402491904), (8, 2701245952), (16, 1350622976), (32, 675311488), (64, 337655744), (128, 168827872), (256, 84413936), (431, 50139136), (512, 42206968), (862, 25069568), (1024, 21103484), (1724, 12534784), (2048, 10551742), (3448, 6267392), (4096, 5275871), (6896, 3133696), (12241, 1765376), (13792, 1566848), (24482, 882688), (27584, 783424), (48964, 441344), (55168, 391712), (97928, 220672), (110336, 195856)]