21320032

素因数分解:

$2^5\times {\mathrm{281}}^1\times {\mathrm{2371}}^1$

素因数の和:2662

約数の個数: 24

約数和(自身を含む): 42140952

約数和(自身を除く): 20820920

約数列:

[1, 2, 4, 8, 16, 32, 281, 562, 1124, 2248, 2371, 4496, 4742, 8992, 9484, 18968, 37936, 75872, 666251, 1332502, 2665004, 5330008, 10660016, 21320032]

約数ペア:

[(1, 21320032), (2, 10660016), (4, 5330008), (8, 2665004), (16, 1332502), (32, 666251), (281, 75872), (562, 37936), (1124, 18968), (2248, 9484), (2371, 8992), (4496, 4742)]