21329336

素因数分解:

$2^3\times 7^1\times {\mathrm{380881}}^1$

素因数の和:380894

約数の個数: 16

約数和(自身を含む): 45705840

約数和(自身を除く): 24376504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 380881, 761762, 1523524, 2666167, 3047048, 5332334, 10664668, 21329336]

約数ペア:

[(1, 21329336), (2, 10664668), (4, 5332334), (7, 3047048), (8, 2666167), (14, 1523524), (28, 761762), (56, 380881)]