21129212522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4049}}^1\times {\mathrm{10313}}^1$

素因数の和:14398

約数の個数: 32

約数和(自身を含む): 36090748800

約数和(自身を除く): 14961536278

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 4049, 8098, 10313, 20626, 44539, 89078, 93127, 113443, 186254, 226886, 237199, 474398, 1024397, 2048794, 2609189, 5218378, 41757337, 83514674, 459330707, 918661414, 960418751, 1920837502, 10564606261, 21129212522]

約数ペア:

[(1, 21129212522), (2, 10564606261), (11, 1920837502), (22, 960418751), (23, 918661414), (46, 459330707), (253, 83514674), (506, 41757337), (4049, 5218378), (8098, 2609189), (10313, 2048794), (20626, 1024397), (44539, 474398), (89078, 237199), (93127, 226886), (113443, 186254)]