21139960576

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{620887}}^1$

素因数の和:620929

約数の個数: 72

約数和(自身を含む): 50763802880

約数和(自身を除く): 29623842304

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 608, 896, 1064, 1216, 1792, 2128, 2432, 4256, 4864, 8512, 17024, 34048, 620887, 1241774, 2483548, 4346209, 4967096, 8692418, 9934192, 11796853, 17384836, 19868384, 23593706, 34769672, 39736768, 47187412, 69539344, 79473536, 82577971, 94374824, 139078688, 158947072, 165155942, 188749648, 278157376, 330311884, 377499296, 556314752, 660623768, 754998592, 1112629504, 1321247536, 1509997184, 2642495072, 3019994368, 5284990144, 10569980288, 21139960576]

約数ペア:

[(1, 21139960576), (2, 10569980288), (4, 5284990144), (7, 3019994368), (8, 2642495072), (14, 1509997184), (16, 1321247536), (19, 1112629504), (28, 754998592), (32, 660623768), (38, 556314752), (56, 377499296), (64, 330311884), (76, 278157376), (112, 188749648), (128, 165155942), (133, 158947072), (152, 139078688), (224, 94374824), (256, 82577971), (266, 79473536), (304, 69539344), (448, 47187412), (532, 39736768), (608, 34769672), (896, 23593706), (1064, 19868384), (1216, 17384836), (1792, 11796853), (2128, 9934192), (2432, 8692418), (4256, 4967096), (4864, 4346209), (8512, 2483548), (17024, 1241774), (34048, 620887)]