21104062012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2543}}^1\times {\mathrm{4013}}^1$

素因数の和:6618

約数の個数: 48

約数和(自身を含む): 41173235712

約数和(自身を除く): 20069173700

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 2543, 4013, 5086, 8026, 10172, 16052, 27973, 44143, 55946, 88286, 111892, 119521, 176572, 188611, 239042, 377222, 478084, 754444, 1314731, 2074721, 2629462, 4149442, 5258924, 8298884, 10205059, 20410118, 40820236, 112255649, 224511298, 449022596, 479637773, 959275546, 1918551092, 5276015503, 10552031006, 21104062012]

約数ペア:

[(1, 21104062012), (2, 10552031006), (4, 5276015503), (11, 1918551092), (22, 959275546), (44, 479637773), (47, 449022596), (94, 224511298), (188, 112255649), (517, 40820236), (1034, 20410118), (2068, 10205059), (2543, 8298884), (4013, 5258924), (5086, 4149442), (8026, 2629462), (10172, 2074721), (16052, 1314731), (27973, 754444), (44143, 478084), (55946, 377222), (88286, 239042), (111892, 188611), (119521, 176572)]