2021040944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{9649}}^1$

素因数の和:9742

約数の個数: 80

約数和(自身を含む): 4523148000

約数和(自身を除く): 2502107056

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 53, 76, 104, 106, 152, 208, 212, 247, 304, 424, 494, 689, 848, 988, 1007, 1378, 1976, 2014, 2756, 3952, 4028, 5512, 8056, 9649, 11024, 13091, 16112, 19298, 26182, 38596, 52364, 77192, 104728, 125437, 154384, 183331, 209456, 250874, 366662, 501748, 511397, 733324, 1003496, 1022794, 1466648, 2006992, 2045588, 2383303, 2933296, 4091176, 4766606, 6648161, 8182352, 9533212, 9716543, 13296322, 19066424, 19433086, 26592644, 38132848, 38866172, 53185288, 77732344, 106370576, 126315059, 155464688, 252630118, 505260236, 1010520472, 2021040944]

約数ペア:

[(1, 2021040944), (2, 1010520472), (4, 505260236), (8, 252630118), (13, 155464688), (16, 126315059), (19, 106370576), (26, 77732344), (38, 53185288), (52, 38866172), (53, 38132848), (76, 26592644), (104, 19433086), (106, 19066424), (152, 13296322), (208, 9716543), (212, 9533212), (247, 8182352), (304, 6648161), (424, 4766606), (494, 4091176), (689, 2933296), (848, 2383303), (988, 2045588), (1007, 2006992), (1378, 1466648), (1976, 1022794), (2014, 1003496), (2756, 733324), (3952, 511397), (4028, 501748), (5512, 366662), (8056, 250874), (9649, 209456), (11024, 183331), (13091, 154384), (16112, 125437), (19298, 104728), (26182, 77192), (38596, 52364)]