21021032012

素因数分解:

$2^2\times {\mathrm{1607}}^1\times {\mathrm{3270229}}^1$

素因数の和:3271840

約数の個数: 12

約数和(自身を含む): 36809708880

約数和(自身を除く): 15788676868

約数列:

[1, 2, 4, 1607, 3214, 6428, 3270229, 6540458, 13080916, 5255258003, 10510516006, 21021032012]

約数ペア:

[(1, 21021032012), (2, 10510516006), (4, 5255258003), (1607, 13080916), (3214, 6540458), (6428, 3270229)]