21086712

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{10099}}^1$

素因数の和:10140

約数の個数: 48

約数和(自身を含む): 59085000

約数和(自身を除く): 37998288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 10099, 20198, 30297, 40396, 60594, 80792, 90891, 121188, 181782, 242376, 292871, 363564, 585742, 727128, 878613, 1171484, 1757226, 2342968, 2635839, 3514452, 5271678, 7028904, 10543356, 21086712]

約数ペア:

[(1, 21086712), (2, 10543356), (3, 7028904), (4, 5271678), (6, 3514452), (8, 2635839), (9, 2342968), (12, 1757226), (18, 1171484), (24, 878613), (29, 727128), (36, 585742), (58, 363564), (72, 292871), (87, 242376), (116, 181782), (174, 121188), (232, 90891), (261, 80792), (348, 60594), (522, 40396), (696, 30297), (1044, 20198), (2088, 10099)]