21694162

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 40711680

約数和(自身を除く): 19017518

約数列:

[1, 2, 7, 14, 19, 38, 49, 61, 98, 122, 133, 191, 266, 382, 427, 854, 931, 1159, 1337, 1862, 2318, 2674, 2989, 3629, 5978, 7258, 8113, 9359, 11651, 16226, 18718, 23302, 25403, 50806, 56791, 81557, 113582, 163114, 177821, 221369, 355642, 442738, 570899, 1141798, 1549583, 3099166, 10847081, 21694162]

約数ペア:

[(1, 21694162), (2, 10847081), (7, 3099166), (14, 1549583), (19, 1141798), (38, 570899), (49, 442738), (61, 355642), (98, 221369), (122, 177821), (133, 163114), (191, 113582), (266, 81557), (382, 56791), (427, 50806), (854, 25403), (931, 23302), (1159, 18718), (1337, 16226), (1862, 11651), (2318, 9359), (2674, 8113), (2989, 7258), (3629, 5978)]