21142408

素因数分解:

$2^3\times 7^1\times {\mathrm{377543}}^1$

素因数の和:377556

約数の個数: 16

約数和(自身を含む): 45305280

約数和(自身を除く): 24162872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 377543, 755086, 1510172, 2642801, 3020344, 5285602, 10571204, 21142408]

約数ペア:

[(1, 21142408), (2, 10571204), (4, 5285602), (7, 3020344), (8, 2642801), (14, 1510172), (28, 755086), (56, 377543)]