21074778368

素因数分解:

$2^8\times 7^1\times {\mathrm{179}}^1\times {\mathrm{65701}}^1$

素因数の和:65903

約数の個数: 72

約数和(自身を含む): 48346159680

約数和(自身を除く): 27271381312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 179, 224, 256, 358, 448, 716, 896, 1253, 1432, 1792, 2506, 2864, 5012, 5728, 10024, 11456, 20048, 22912, 40096, 45824, 65701, 80192, 131402, 160384, 262804, 320768, 459907, 525608, 919814, 1051216, 1839628, 2102432, 3679256, 4204864, 7358512, 8409728, 11760479, 14717024, 16819456, 23520958, 29434048, 47041916, 58868096, 82323353, 94083832, 117736192, 164646706, 188167664, 329293412, 376335328, 658586824, 752670656, 1317173648, 1505341312, 2634347296, 3010682624, 5268694592, 10537389184, 21074778368]

約数ペア:

[(1, 21074778368), (2, 10537389184), (4, 5268694592), (7, 3010682624), (8, 2634347296), (14, 1505341312), (16, 1317173648), (28, 752670656), (32, 658586824), (56, 376335328), (64, 329293412), (112, 188167664), (128, 164646706), (179, 117736192), (224, 94083832), (256, 82323353), (358, 58868096), (448, 47041916), (716, 29434048), (896, 23520958), (1253, 16819456), (1432, 14717024), (1792, 11760479), (2506, 8409728), (2864, 7358512), (5012, 4204864), (5728, 3679256), (10024, 2102432), (11456, 1839628), (20048, 1051216), (22912, 919814), (40096, 525608), (45824, 459907), (65701, 320768), (80192, 262804), (131402, 160384)]