21498008

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16691}}^1$

素因数の和:16727

約数の個数: 32

約数和(自身を含む): 48072960

約数和(自身を除く): 26574952

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16691, 33382, 66764, 116837, 133528, 233674, 383893, 467348, 767786, 934696, 1535572, 2687251, 3071144, 5374502, 10749004, 21498008]

約数ペア:

[(1, 21498008), (2, 10749004), (4, 5374502), (7, 3071144), (8, 2687251), (14, 1535572), (23, 934696), (28, 767786), (46, 467348), (56, 383893), (92, 233674), (161, 133528), (184, 116837), (322, 66764), (644, 33382), (1288, 16691)]