21675834

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{22721}}^1$

素因数の和:22782

約数の個数: 24

約数和(自身を含む): 47852532

約数和(自身を除く): 26176698

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 22721, 45442, 68163, 136326, 204489, 408978, 1204213, 2408426, 3612639, 7225278, 10837917, 21675834]

約数ペア:

[(1, 21675834), (2, 10837917), (3, 7225278), (6, 3612639), (9, 2408426), (18, 1204213), (53, 408978), (106, 204489), (159, 136326), (318, 68163), (477, 45442), (954, 22721)]