21616476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257339}}^1$

素因数の和:257353

約数の個数: 24

約数和(自身を含む): 57644160

約数和(自身を除く): 36027684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257339, 514678, 772017, 1029356, 1544034, 1801373, 3088068, 3602746, 5404119, 7205492, 10808238, 21616476]

約数ペア:

[(1, 21616476), (2, 10808238), (3, 7205492), (4, 5404119), (6, 3602746), (7, 3088068), (12, 1801373), (14, 1544034), (21, 1029356), (28, 772017), (42, 514678), (84, 257339)]