21041445828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2521}}^1\times {\mathrm{53503}}^1$

素因数の和:56044

約数の個数: 48

約数和(自身を含む): 52895338496

約数和(自身を除く): 31853892668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 2521, 5042, 7563, 10084, 15126, 30252, 32773, 53503, 65546, 98319, 107006, 131092, 160509, 196638, 214012, 321018, 393276, 642036, 695539, 1391078, 2086617, 2782156, 4173234, 8346468, 134881063, 269762126, 404643189, 539524252, 809286378, 1618572756, 1753453819, 3506907638, 5260361457, 7013815276, 10520722914, 21041445828]

約数ペア:

[(1, 21041445828), (2, 10520722914), (3, 7013815276), (4, 5260361457), (6, 3506907638), (12, 1753453819), (13, 1618572756), (26, 809286378), (39, 539524252), (52, 404643189), (78, 269762126), (156, 134881063), (2521, 8346468), (5042, 4173234), (7563, 2782156), (10084, 2086617), (15126, 1391078), (30252, 695539), (32773, 642036), (53503, 393276), (65546, 321018), (98319, 214012), (107006, 196638), (131092, 160509)]