21519078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{6173}}^1$

素因数の和:6268

約数の個数: 32

約数和(自身を含む): 49787136

約数和(自身を除く): 28268058

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 83, 166, 249, 498, 581, 1162, 1743, 3486, 6173, 12346, 18519, 37038, 43211, 86422, 129633, 259266, 512359, 1024718, 1537077, 3074154, 3586513, 7173026, 10759539, 21519078]

約数ペア:

[(1, 21519078), (2, 10759539), (3, 7173026), (6, 3586513), (7, 3074154), (14, 1537077), (21, 1024718), (42, 512359), (83, 259266), (166, 129633), (249, 86422), (498, 43211), (581, 37038), (1162, 18519), (1743, 12346), (3486, 6173)]