21000766974732

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{23497}}^1\times {\mathrm{605531}}^1$

素因数の和:629079

約数の個数: 72

約数和(自身を含む): 54382438957392

約数和(自身を除く): 33381671982660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 23497, 46994, 70491, 93988, 140982, 211473, 281964, 422946, 605531, 845892, 963377, 1211062, 1816593, 1926754, 2422124, 2890131, 3633186, 3853508, 5449779, 5780262, 7266372, 8670393, 10899558, 11560524, 17340786, 21799116, 24826771, 34681572, 49653542, 74480313, 99307084, 148960626, 223440939, 297921252, 446881878, 893763756, 14228161907, 28456323814, 42684485721, 56912647628, 85368971442, 128053457163, 170737942884, 256106914326, 512213828652, 583354638187, 1166709276374, 1750063914561, 2333418552748, 3500127829122, 5250191743683, 7000255658244, 10500383487366, 21000766974732]

約数ペア:

[(1, 21000766974732), (2, 10500383487366), (3, 7000255658244), (4, 5250191743683), (6, 3500127829122), (9, 2333418552748), (12, 1750063914561), (18, 1166709276374), (36, 583354638187), (41, 512213828652), (82, 256106914326), (123, 170737942884), (164, 128053457163), (246, 85368971442), (369, 56912647628), (492, 42684485721), (738, 28456323814), (1476, 14228161907), (23497, 893763756), (46994, 446881878), (70491, 297921252), (93988, 223440939), (140982, 148960626), (211473, 99307084), (281964, 74480313), (422946, 49653542), (605531, 34681572), (845892, 24826771), (963377, 21799116), (1211062, 17340786), (1816593, 11560524), (1926754, 10899558), (2422124, 8670393), (2890131, 7266372), (3633186, 5780262), (3853508, 5449779)]