21018824

素因数分解:

$2^3\times {\mathrm{367}}^1\times {\mathrm{7159}}^1$

素因数の和:7532

約数の個数: 16

約数和(自身を含む): 39523200

約数和(自身を除く): 18504376

約数列:

[1, 2, 4, 8, 367, 734, 1468, 2936, 7159, 14318, 28636, 57272, 2627353, 5254706, 10509412, 21018824]

約数ペア:

[(1, 21018824), (2, 10509412), (4, 5254706), (8, 2627353), (367, 57272), (734, 28636), (1468, 14318), (2936, 7159)]