21633942

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 28132458

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 89, 127, 174, 178, 254, 267, 319, 381, 534, 638, 762, 957, 979, 1397, 1914, 1958, 2581, 2794, 2937, 3683, 4191, 5162, 5874, 7366, 7743, 8382, 11049, 11303, 15486, 22098, 22606, 28391, 33909, 40513, 56782, 67818, 81026, 85173, 121539, 124333, 170346, 243078, 248666, 327787, 372999, 655574, 745998, 983361, 1966722, 3605657, 7211314, 10816971, 21633942]

約数ペア:

[(1, 21633942), (2, 10816971), (3, 7211314), (6, 3605657), (11, 1966722), (22, 983361), (29, 745998), (33, 655574), (58, 372999), (66, 327787), (87, 248666), (89, 243078), (127, 170346), (174, 124333), (178, 121539), (254, 85173), (267, 81026), (319, 67818), (381, 56782), (534, 40513), (638, 33909), (762, 28391), (957, 22606), (979, 22098), (1397, 15486), (1914, 11303), (1958, 11049), (2581, 8382), (2794, 7743), (2937, 7366), (3683, 5874), (4191, 5162)]