21957376

素因数分解:

$2^8\times 7^1\times {\mathrm{12253}}^1$

素因数の和:12276

約数の個数: 36

約数和(自身を含む): 50094352

約数和(自身を除く): 28136976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 12253, 24506, 49012, 85771, 98024, 171542, 196048, 343084, 392096, 686168, 784192, 1372336, 1568384, 2744672, 3136768, 5489344, 10978688, 21957376]

約数ペア:

[(1, 21957376), (2, 10978688), (4, 5489344), (7, 3136768), (8, 2744672), (14, 1568384), (16, 1372336), (28, 784192), (32, 686168), (56, 392096), (64, 343084), (112, 196048), (128, 171542), (224, 98024), (256, 85771), (448, 49012), (896, 24506), (1792, 12253)]