21099167355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{67273}}^1$

素因数の和:67420

約数の個数: 64

約数和(自身を含む): 40299816960

約数和(自身を除く): 19200649605

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 103, 105, 145, 203, 309, 435, 515, 609, 721, 1015, 1545, 2163, 2987, 3045, 3605, 8961, 10815, 14935, 20909, 44805, 62727, 67273, 104545, 201819, 313635, 336365, 470911, 1009095, 1412733, 1950917, 2354555, 5852751, 6929119, 7063665, 9754585, 13656419, 20787357, 29263755, 34645595, 40969257, 48503833, 68282095, 103936785, 145511499, 200944451, 204846285, 242519165, 602833353, 727557495, 1004722255, 1406611157, 3014166765, 4219833471, 7033055785, 21099167355]

約数ペア:

[(1, 21099167355), (3, 7033055785), (5, 4219833471), (7, 3014166765), (15, 1406611157), (21, 1004722255), (29, 727557495), (35, 602833353), (87, 242519165), (103, 204846285), (105, 200944451), (145, 145511499), (203, 103936785), (309, 68282095), (435, 48503833), (515, 40969257), (609, 34645595), (721, 29263755), (1015, 20787357), (1545, 13656419), (2163, 9754585), (2987, 7063665), (3045, 6929119), (3605, 5852751), (8961, 2354555), (10815, 1950917), (14935, 1412733), (20909, 1009095), (44805, 470911), (62727, 336365), (67273, 313635), (104545, 201819)]