21361144

素因数分解:

$2^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2131}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 46051200

約数和(自身を除く): 24690056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 179, 358, 716, 1253, 1432, 2131, 2506, 4262, 5012, 8524, 10024, 14917, 17048, 29834, 59668, 119336, 381449, 762898, 1525796, 2670143, 3051592, 5340286, 10680572, 21361144]

約数ペア:

[(1, 21361144), (2, 10680572), (4, 5340286), (7, 3051592), (8, 2670143), (14, 1525796), (28, 762898), (56, 381449), (179, 119336), (358, 59668), (716, 29834), (1253, 17048), (1432, 14917), (2131, 10024), (2506, 8524), (4262, 5012)]