21678786

素因数分解:

$2^1\times 3^3\times {\mathrm{233}}^1\times {\mathrm{1723}}^1$

素因数の和:1967

約数の個数: 32

約数和(自身を含む): 48409920

約数和(自身を除く): 26731134

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 233, 466, 699, 1398, 1723, 2097, 3446, 4194, 5169, 6291, 10338, 12582, 15507, 31014, 46521, 93042, 401459, 802918, 1204377, 2408754, 3613131, 7226262, 10839393, 21678786]

約数ペア:

[(1, 21678786), (2, 10839393), (3, 7226262), (6, 3613131), (9, 2408754), (18, 1204377), (27, 802918), (54, 401459), (233, 93042), (466, 46521), (699, 31014), (1398, 15507), (1723, 12582), (2097, 10338), (3446, 6291), (4194, 5169)]