21281330983650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{128813}}^1\times {\mathrm{1101407}}^1$

素因数の和:1230235

約数の個数: 48

約数和(自身を含む): 52778158481664

約数和(自身を除く): 31496827498014

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 128813, 257626, 386439, 644065, 772878, 1101407, 1288130, 1932195, 2202814, 3220325, 3304221, 3864390, 5507035, 6440650, 6608442, 9660975, 11014070, 16521105, 19321950, 27535175, 33042210, 55070350, 82605525, 165211050, 141875539891, 283751079782, 425626619673, 709377699455, 851253239346, 1418755398910, 2128133098365, 3546888497275, 4256266196730, 7093776994550, 10640665491825, 21281330983650]

約数ペア:

[(1, 21281330983650), (2, 10640665491825), (3, 7093776994550), (5, 4256266196730), (6, 3546888497275), (10, 2128133098365), (15, 1418755398910), (25, 851253239346), (30, 709377699455), (50, 425626619673), (75, 283751079782), (150, 141875539891), (128813, 165211050), (257626, 82605525), (386439, 55070350), (644065, 33042210), (772878, 27535175), (1101407, 19321950), (1288130, 16521105), (1932195, 11014070), (2202814, 9660975), (3220325, 6608442), (3304221, 6440650), (3864390, 5507035)]