213771978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{20441}}^1$

素因数の和:20539

約数の個数: 48

約数和(自身を含む): 535743936

約数和(自身を除く): 321971958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 83, 126, 166, 249, 498, 581, 747, 1162, 1494, 1743, 3486, 5229, 10458, 20441, 40882, 61323, 122646, 143087, 183969, 286174, 367938, 429261, 858522, 1287783, 1696603, 2575566, 3393206, 5089809, 10179618, 11876221, 15269427, 23752442, 30538854, 35628663, 71257326, 106885989, 213771978]

約数ペア:

[(1, 213771978), (2, 106885989), (3, 71257326), (6, 35628663), (7, 30538854), (9, 23752442), (14, 15269427), (18, 11876221), (21, 10179618), (42, 5089809), (63, 3393206), (83, 2575566), (126, 1696603), (166, 1287783), (249, 858522), (498, 429261), (581, 367938), (747, 286174), (1162, 183969), (1494, 143087), (1743, 122646), (3486, 61323), (5229, 40882), (10458, 20441)]