21515074

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 38903040

約数和(自身を除く): 17387966

約数列:

[1, 2, 7, 14, 23, 46, 109, 161, 218, 322, 613, 763, 1226, 1526, 2507, 4291, 5014, 8582, 14099, 17549, 28198, 35098, 66817, 98693, 133634, 197386, 467719, 935438, 1536791, 3073582, 10757537, 21515074]

約数ペア:

[(1, 21515074), (2, 10757537), (7, 3073582), (14, 1536791), (23, 935438), (46, 467719), (109, 197386), (161, 133634), (218, 98693), (322, 66817), (613, 35098), (763, 28198), (1226, 17549), (1526, 14099), (2507, 8582), (4291, 5014)]