21584442

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 50181120

約数和(自身を除く): 28596678

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 59, 66, 69, 118, 138, 177, 241, 253, 354, 482, 506, 649, 723, 759, 1298, 1357, 1446, 1518, 1947, 2651, 2714, 3894, 4071, 5302, 5543, 7953, 8142, 11086, 14219, 14927, 15906, 16629, 28438, 29854, 33258, 42657, 44781, 60973, 85314, 89562, 121946, 156409, 182919, 312818, 327037, 365838, 469227, 654074, 938454, 981111, 1962222, 3597407, 7194814, 10792221, 21584442]

約数ペア:

[(1, 21584442), (2, 10792221), (3, 7194814), (6, 3597407), (11, 1962222), (22, 981111), (23, 938454), (33, 654074), (46, 469227), (59, 365838), (66, 327037), (69, 312818), (118, 182919), (138, 156409), (177, 121946), (241, 89562), (253, 85314), (354, 60973), (482, 44781), (506, 42657), (649, 33258), (723, 29854), (759, 28438), (1298, 16629), (1357, 15906), (1446, 14927), (1518, 14219), (1947, 11086), (2651, 8142), (2714, 7953), (3894, 5543), (4071, 5302)]